Finding the Fourth Proportional to 2,519,521.72, 3,779,472.12 and 722,390.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519,521.72 : 3,779,472.12 = 722,390.92 : x
2. Step 2: Convert to fraction form
   2,519,521.72/3,779,472.12 = 722,390.92/x
3. Step 3: Cross multiply
   2,519,521.72x = 3,779,472.12 × 722,390.92
4. Step 4: Simplify right side
   2,519,521.72x = 2,730,256,341,881.15
5. Step 5: Solve for x
   x = 2,730,256,341,881.15/2,519,521.72
6. Step 6: Final answer
   x = 1,083,640.72