Finding the Fourth Proportional to 307,019.92, 460,591.98 and 129,527.32

Step by Step Solution

1. Step 1: Write the proportion equation
   307,019.92 : 460,591.98 = 129,527.32 : x
2. Step 2: Convert to fraction form
   307,019.92/460,591.98 = 129,527.32/x
3. Step 3: Cross multiply
   307,019.92x = 460,591.98 × 129,527.32
4. Step 4: Simplify right side
   307,019.92x = 59,659,244,782.89
5. Step 5: Solve for x
   x = 59,659,244,782.89/307,019.92
6. Step 6: Final answer
   x = 194,317.18