Finding the Fourth Proportional to 1,124,781.50, 1,550,790.47 and 938,779.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124,781.50 : 1,550,790.47 = 938,779.98 : x
2. Step 2: Convert to fraction form
   1,124,781.50/1,550,790.47 = 938,779.98/x
3. Step 3: Cross multiply
   1,124,781.50x = 1,550,790.47 × 938,779.98
4. Step 4: Simplify right side
   1,124,781.50x = 1,455,851,041,716.89
5. Step 5: Solve for x
   x = 1,455,851,041,716.89/1,124,781.50
6. Step 6: Final answer
   x = 1,294,341.21