Finding the Fourth Proportional to 147,401.30, 203,412.78 and 83,739.11

Step by Step Solution

1. Step 1: Write the proportion equation
   147,401.30 : 203,412.78 = 83,739.11 : x
2. Step 2: Convert to fraction form
   147,401.30/203,412.78 = 83,739.11/x
3. Step 3: Cross multiply
   147,401.30x = 203,412.78 × 83,739.11
4. Step 4: Simplify right side
   147,401.30x = 17,033,604,142.76
5. Step 5: Solve for x
   x = 17,033,604,142.76/147,401.30
6. Step 6: Final answer
   x = 115,559.39