Finding the Fourth Proportional to 947,382.31, 1,418,526.96 and 721,667.53

Step by Step Solution

1. Step 1: Write the proportion equation
   947,382.31 : 1,418,526.96 = 721,667.53 : x
2. Step 2: Convert to fraction form
   947,382.31/1,418,526.96 = 721,667.53/x
3. Step 3: Cross multiply
   947,382.31x = 1,418,526.96 × 721,667.53
4. Step 4: Simplify right side
   947,382.31x = 1,023,704,847,461.61
5. Step 5: Solve for x
   x = 1,023,704,847,461.61/947,382.31
6. Step 6: Final answer
   x = 1,080,561.50