Finding the Fourth Proportional to 174,113.20, 261,162.50 and 55,781.92

Step by Step Solution

1. Step 1: Write the proportion equation
   174,113.20 : 261,162.50 = 55,781.92 : x
2. Step 2: Convert to fraction form
   174,113.20/261,162.50 = 55,781.92/x
3. Step 3: Cross multiply
   174,113.20x = 261,162.50 × 55,781.92
4. Step 4: Simplify right side
   174,113.20x = 14,568,144,097.28
5. Step 5: Solve for x
   x = 14,568,144,097.28/174,113.20
6. Step 6: Final answer
   x = 83,670.53