Finding the Fourth Proportional to 113,941.50, 157,242.51 and 63,643.74

Step by Step Solution

1. Step 1: Write the proportion equation
   113,941.50 : 157,242.51 = 63,643.74 : x
2. Step 2: Convert to fraction form
   113,941.50/157,242.51 = 63,643.74/x
3. Step 3: Cross multiply
   113,941.50x = 157,242.51 × 63,643.74
4. Step 4: Simplify right side
   113,941.50x = 10,007,501,423.39
5. Step 5: Solve for x
   x = 10,007,501,423.39/113,941.50
6. Step 6: Final answer
   x = 87,830.17