Finding the Fourth Proportional to 56,488.52, 77,954.25 and 31,338.02

Step by Step Solution

1. Step 1: Write the proportion equation
   56,488.52 : 77,954.25 = 31,338.02 : x
2. Step 2: Convert to fraction form
   56,488.52/77,954.25 = 31,338.02/x
3. Step 3: Cross multiply
   56,488.52x = 77,954.25 × 31,338.02
4. Step 4: Simplify right side
   56,488.52x = 2,442,931,845.59
5. Step 5: Solve for x
   x = 2,442,931,845.59/56,488.52
6. Step 6: Final answer
   x = 43,246.52