Finding the Fourth Proportional to 1,551,404.16, 2,140,859.52 and 872,300.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,551,404.16 : 2,140,859.52 = 872,300.16 : x
2. Step 2: Convert to fraction form
   1,551,404.16/2,140,859.52 = 872,300.16/x
3. Step 3: Cross multiply
   1,551,404.16x = 2,140,859.52 × 872,300.16
4. Step 4: Simplify right side
   1,551,404.16x = 1,867,472,101,833.52
5. Step 5: Solve for x
   x = 1,867,472,101,833.52/1,551,404.16
6. Step 6: Final answer
   x = 1,203,730.24