Finding the Fourth Proportional to 56,155.08, 77,491.98 and 31,004.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,155.08 : 77,491.98 = 31,004.04 : x
2. Step 2: Convert to fraction form
   56,155.08/77,491.98 = 31,004.04/x
3. Step 3: Cross multiply
   56,155.08x = 77,491.98 × 31,004.04
4. Step 4: Simplify right side
   56,155.08x = 2,402,564,447.60
5. Step 5: Solve for x
   x = 2,402,564,447.60/56,155.08
6. Step 6: Final answer
   x = 42,784.45