Finding the Fourth Proportional to 128,925.03, 192,285.46 and 113,233.31

Step by Step Solution

1. Step 1: Write the proportion equation
   128,925.03 : 192,285.46 = 113,233.31 : x
2. Step 2: Convert to fraction form
   128,925.03/192,285.46 = 113,233.31/x
3. Step 3: Cross multiply
   128,925.03x = 192,285.46 × 113,233.31
4. Step 4: Simplify right side
   128,925.03x = 21,773,119,001.86
5. Step 5: Solve for x
   x = 21,773,119,001.86/128,925.03
6. Step 6: Final answer
   x = 168,882.01