Finding the Fourth Proportional to 1,050,459.82, 1,449,614.86 and 642,531.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,459.82 : 1,449,614.86 = 642,531.69 : x
2. Step 2: Convert to fraction form
   1,050,459.82/1,449,614.86 = 642,531.69/x
3. Step 3: Cross multiply
   1,050,459.82x = 1,449,614.86 × 642,531.69
4. Step 4: Simplify right side
   1,050,459.82x = 931,423,490,910.61
5. Step 5: Solve for x
   x = 931,423,490,910.61/1,050,459.82
6. Step 6: Final answer
   x = 886,681.70