Finding the Fourth Proportional to 1,554,111.80, 2,144,641.98 and 865,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,111.80 : 2,144,641.98 = 865,782.72 : x
2. Step 2: Convert to fraction form
   1,554,111.80/2,144,641.98 = 865,782.72/x
3. Step 3: Cross multiply
   1,554,111.80x = 2,144,641.98 × 865,782.72
4. Step 4: Simplify right side
   1,554,111.80x = 1,856,793,966,870.59
5. Step 5: Solve for x
   x = 1,856,793,966,870.59/1,554,111.80
6. Step 6: Final answer
   x = 1,194,762.16