Finding the Fourth Proportional to 56,172,759.37, 77,520,801.96 and 31,392,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,172,759.37 : 77,520,801.96 = 31,392,945.50 : x
2. Step 2: Convert to fraction form
   56,172,759.37/77,520,801.96 = 31,392,945.50/x
3. Step 3: Cross multiply
   56,172,759.37x = 77,520,801.96 × 31,392,945.50
4. Step 4: Simplify right side
   56,172,759.37x = 2,433,606,310,658,969
5. Step 5: Solve for x
   x = 2,433,606,310,658,969/56,172,759.37
6. Step 6: Final answer
   x = 43,323,602.72