Finding the Fourth Proportional to 307,061.46, 460,394.37 and 129,520.98

Step by Step Solution

1. Step 1: Write the proportion equation
   307,061.46 : 460,394.37 = 129,520.98 : x
2. Step 2: Convert to fraction form
   307,061.46/460,394.37 = 129,520.98/x
3. Step 3: Cross multiply
   307,061.46x = 460,394.37 × 129,520.98
4. Step 4: Simplify right side
   307,061.46x = 59,630,729,988.88
5. Step 5: Solve for x
   x = 59,630,729,988.88/307,061.46
6. Step 6: Final answer
   x = 194,198.03