Finding the Fourth Proportional to 1,043,090.83, 1,439,006.82 and 629,396.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043,090.83 : 1,439,006.82 = 629,396.86 : x
2. Step 2: Convert to fraction form
   1,043,090.83/1,439,006.82 = 629,396.86/x
3. Step 3: Cross multiply
   1,043,090.83x = 1,439,006.82 × 629,396.86
4. Step 4: Simplify right side
   1,043,090.83x = 905,706,374,026.59
5. Step 5: Solve for x
   x = 905,706,374,026.59/1,043,090.83
6. Step 6: Final answer
   x = 868,290.99