Finding the Fourth Proportional to 985,196.43, 1,359,543.22 and 549,626.63

Step by Step Solution

1. Step 1: Write the proportion equation
   985,196.43 : 1,359,543.22 = 549,626.63 : x
2. Step 2: Convert to fraction form
   985,196.43/1,359,543.22 = 549,626.63/x
3. Step 3: Cross multiply
   985,196.43x = 1,359,543.22 × 549,626.63
4. Step 4: Simplify right side
   985,196.43x = 747,241,150,176.17
5. Step 5: Solve for x
   x = 747,241,150,176.17/985,196.43
6. Step 6: Final answer
   x = 758,469.20