Finding the Fourth Proportional to 1,758,658.10, 2,638,419.15 and 496,469.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758,658.10 : 2,638,419.15 = 496,469.30 : x
2. Step 2: Convert to fraction form
   1,758,658.10/2,638,419.15 = 496,469.30/x
3. Step 3: Cross multiply
   1,758,658.10x = 2,638,419.15 × 496,469.30
4. Step 4: Simplify right side
   1,758,658.10x = 1,309,894,108,507.10
5. Step 5: Solve for x
   x = 1,309,894,108,507.10/1,758,658.10
6. Step 6: Final answer
   x = 744,825.90