Finding the Fourth Proportional to 111,002.10, 166,503.15 and 63,617.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,002.10 : 166,503.15 = 63,617.10 : x
2. Step 2: Convert to fraction form
   111,002.10/166,503.15 = 63,617.10/x
3. Step 3: Cross multiply
   111,002.10x = 166,503.15 × 63,617.10
4. Step 4: Simplify right side
   111,002.10x = 10,592,447,543.87
5. Step 5: Solve for x
   x = 10,592,447,543.87/111,002.10
6. Step 6: Final answer
   x = 95,425.65