Finding the Fourth Proportional to 541,338.98, 747,038.72 and 299,616.42

Step by Step Solution

1. Step 1: Write the proportion equation
   541,338.98 : 747,038.72 = 299,616.42 : x
2. Step 2: Convert to fraction form
   541,338.98/747,038.72 = 299,616.42/x
3. Step 3: Cross multiply
   541,338.98x = 747,038.72 × 299,616.42
4. Step 4: Simplify right side
   541,338.98x = 223,825,066,887.78
5. Step 5: Solve for x
   x = 223,825,066,887.78/541,338.98
6. Step 6: Final answer
   x = 413,465.64