Finding the Fourth Proportional to 69,203.55, 103,659.52 and 56,081.55

Step by Step Solution

1. Step 1: Write the proportion equation
   69,203.55 : 103,659.52 = 56,081.55 : x
2. Step 2: Convert to fraction form
   69,203.55/103,659.52 = 56,081.55/x
3. Step 3: Cross multiply
   69,203.55x = 103,659.52 × 56,081.55
4. Step 4: Simplify right side
   69,203.55x = 5,813,386,553.86
5. Step 5: Solve for x
   x = 5,813,386,553.86/69,203.55
6. Step 6: Final answer
   x = 84,004.17