Finding the Fourth Proportional to 1,005,488.29, 1,387,582.86 and 546,603.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,488.29 : 1,387,582.86 = 546,603.76 : x
2. Step 2: Convert to fraction form
   1,005,488.29/1,387,582.86 = 546,603.76/x
3. Step 3: Cross multiply
   1,005,488.29x = 1,387,582.86 × 546,603.76
4. Step 4: Simplify right side
   1,005,488.29x = 758,458,008,587.55
5. Step 5: Solve for x
   x = 758,458,008,587.55/1,005,488.29
6. Step 6: Final answer
   x = 754,318.09