Finding the Fourth Proportional to 111,128.10, 166,892.94 and 102,227.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.10 : 166,892.94 = 102,227.04 : x
2. Step 2: Convert to fraction form
   111,128.10/166,892.94 = 102,227.04/x
3. Step 3: Cross multiply
   111,128.10x = 166,892.94 × 102,227.04
4. Step 4: Simplify right side
   111,128.10x = 17,060,971,253.10
5. Step 5: Solve for x
   x = 17,060,971,253.10/111,128.10
6. Step 6: Final answer
   x = 153,525.27