Finding the Fourth Proportional to 56,874,874,921.47, 78,486,365,501.60 and 31,499,801,441.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,874,874,921.47 : 78,486,365,501.60 = 31,499,801,441.37 : x
2. Step 2: Convert to fraction form
   56,874,874,921.47/78,486,365,501.60 = 31,499,801,441.37/x
3. Step 3: Cross multiply
   56,874,874,921.47x = 78,486,365,501.60 × 31,499,801,441.37
4. Step 4: Simplify right side
   56,874,874,921.47x = 2,472,304,929,155,034,644,480
5. Step 5: Solve for x
   x = 2,472,304,929,155,034,644,480/56,874,874,921.47
6. Step 6: Final answer
   x = 43,469,193,252.18