Finding the Fourth Proportional to 1,172,238.86, 1,758,215.72 and 498,591.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,238.86 : 1,758,215.72 = 498,591.02 : x
2. Step 2: Convert to fraction form
   1,172,238.86/1,758,215.72 = 498,591.02/x
3. Step 3: Cross multiply
   1,172,238.86x = 1,758,215.72 × 498,591.02
4. Step 4: Simplify right side
   1,172,238.86x = 876,630,569,214.84
5. Step 5: Solve for x
   x = 876,630,569,214.84/1,172,238.86
6. Step 6: Final answer
   x = 747,825.89