Finding the Fourth Proportional to 1,123,561.26, 1,550,514.42 and 614,263.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,561.26 : 1,550,514.42 = 614,263.50 : x
2. Step 2: Convert to fraction form
   1,123,561.26/1,550,514.42 = 614,263.50/x
3. Step 3: Cross multiply
   1,123,561.26x = 1,550,514.42 × 614,263.50
4. Step 4: Simplify right side
   1,123,561.26x = 952,424,414,429.67
5. Step 5: Solve for x
   x = 952,424,414,429.67/1,123,561.26
6. Step 6: Final answer
   x = 847,683.57