Finding the Fourth Proportional to 147,401.48, 203,414.71 and 83,742.77

Step by Step Solution

1. Step 1: Write the proportion equation
   147,401.48 : 203,414.71 = 83,742.77 : x
2. Step 2: Convert to fraction form
   147,401.48/203,414.71 = 83,742.77/x
3. Step 3: Cross multiply
   147,401.48x = 203,414.71 × 83,742.77
4. Step 4: Simplify right side
   147,401.48x = 17,034,510,257.07
5. Step 5: Solve for x
   x = 17,034,510,257.07/147,401.48
6. Step 6: Final answer
   x = 115,565.40