Finding the Fourth Proportional to 526,019.59, 725,892.52 and 296,574.87

Step by Step Solution

1. Step 1: Write the proportion equation
   526,019.59 : 725,892.52 = 296,574.87 : x
2. Step 2: Convert to fraction form
   526,019.59/725,892.52 = 296,574.87/x
3. Step 3: Cross multiply
   526,019.59x = 725,892.52 × 296,574.87
4. Step 4: Simplify right side
   526,019.59x = 215,281,482,289.71
5. Step 5: Solve for x
   x = 215,281,482,289.71/526,019.59
6. Step 6: Final answer
   x = 409,265.14