Finding the Fourth Proportional to 173,892.10, 261,032.55 and 134,623.30

Step by Step Solution

1. Step 1: Write the proportion equation
   173,892.10 : 261,032.55 = 134,623.30 : x
2. Step 2: Convert to fraction form
   173,892.10/261,032.55 = 134,623.30/x
3. Step 3: Cross multiply
   173,892.10x = 261,032.55 × 134,623.30
4. Step 4: Simplify right side
   173,892.10x = 35,141,063,288.42
5. Step 5: Solve for x
   x = 35,141,063,288.42/173,892.10
6. Step 6: Final answer
   x = 202,085.45