Finding the Fourth Proportional to 530,966.96, 726,989.72 and 529,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   530,966.96 : 726,989.72 = 529,100.72 : x
2. Step 2: Convert to fraction form
   530,966.96/726,989.72 = 529,100.72/x
3. Step 3: Cross multiply
   530,966.96x = 726,989.72 × 529,100.72
4. Step 4: Simplify right side
   530,966.96x = 384,650,784,284.60
5. Step 5: Solve for x
   x = 384,650,784,284.60/530,966.96
6. Step 6: Final answer
   x = 724,434.50