Finding the Fourth Proportional to 56,887.98, 78,504.89 and 31,394.58

Step by Step Solution

1. Step 1: Write the proportion equation
   56,887.98 : 78,504.89 = 31,394.58 : x
2. Step 2: Convert to fraction form
   56,887.98/78,504.89 = 31,394.58/x
3. Step 3: Cross multiply
   56,887.98x = 78,504.89 × 31,394.58
4. Step 4: Simplify right side
   56,887.98x = 2,464,627,892.52
5. Step 5: Solve for x
   x = 2,464,627,892.52/56,887.98
6. Step 6: Final answer
   x = 43,324.23