Finding the Fourth Proportional to 1,057,040.24, 1,458,716.52 and 604,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,040.24 : 1,458,716.52 = 604,340.72 : x
2. Step 2: Convert to fraction form
   1,057,040.24/1,458,716.52 = 604,340.72/x
3. Step 3: Cross multiply
   1,057,040.24x = 1,458,716.52 × 604,340.72
4. Step 4: Simplify right side
   1,057,040.24x = 881,561,791,972.69
5. Step 5: Solve for x
   x = 881,561,791,972.69/1,057,040.24
6. Step 6: Final answer
   x = 833,990.76