Finding the Fourth Proportional to 116,816.57, 161,206.76 and 63,101.57

Step by Step Solution

1. Step 1: Write the proportion equation
   116,816.57 : 161,206.76 = 63,101.57 : x
2. Step 2: Convert to fraction form
   116,816.57/161,206.76 = 63,101.57/x
3. Step 3: Cross multiply
   116,816.57x = 161,206.76 × 63,101.57
4. Step 4: Simplify right side
   116,816.57x = 10,172,399,650.61
5. Step 5: Solve for x
   x = 10,172,399,650.61/116,816.57
6. Step 6: Final answer
   x = 87,080.11