Finding the Fourth Proportional to 758,003.86, 1,046,046.72 and 418,472.38

Step by Step Solution

1. Step 1: Write the proportion equation
   758,003.86 : 1,046,046.72 = 418,472.38 : x
2. Step 2: Convert to fraction form
   758,003.86/1,046,046.72 = 418,472.38/x
3. Step 3: Cross multiply
   758,003.86x = 1,046,046.72 × 418,472.38
4. Step 4: Simplify right side
   758,003.86x = 437,741,660,509.59
5. Step 5: Solve for x
   x = 437,741,660,509.59/758,003.86
6. Step 6: Final answer
   x = 577,492.65