Finding the Fourth Proportional to 542,042.70, 747,993.72 and 297,026

Step by Step Solution

1. Step 1: Write the proportion equation
   542,042.70 : 747,993.72 = 297,026 : x
2. Step 2: Convert to fraction form
   542,042.70/747,993.72 = 297,026/x
3. Step 3: Cross multiply
   542,042.70x = 747,993.72 × 297,026
4. Step 4: Simplify right side
   542,042.70x = 222,173,582,676.72
5. Step 5: Solve for x
   x = 222,173,582,676.72/542,042.70
6. Step 6: Final answer
   x = 409,882.07