Finding the Fourth Proportional to 938,498.72, 1,294,823.76 and 530,561.12

Step by Step Solution

1. Step 1: Write the proportion equation
   938,498.72 : 1,294,823.76 = 530,561.12 : x
2. Step 2: Convert to fraction form
   938,498.72/1,294,823.76 = 530,561.12/x
3. Step 3: Cross multiply
   938,498.72x = 1,294,823.76 × 530,561.12
4. Step 4: Simplify right side
   938,498.72x = 686,983,144,308.21
5. Step 5: Solve for x
   x = 686,983,144,308.21/938,498.72
6. Step 6: Final answer
   x = 732,002.22