Finding the Fourth Proportional to 1,633,180.81, 2,253,730.61 and 898,128.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633,180.81 : 2,253,730.61 = 898,128.89 : x
2. Step 2: Convert to fraction form
   1,633,180.81/2,253,730.61 = 898,128.89/x
3. Step 3: Cross multiply
   1,633,180.81x = 2,253,730.61 × 898,128.89
4. Step 4: Simplify right side
   1,633,180.81x = 2,024,140,572,262.01
5. Step 5: Solve for x
   x = 2,024,140,572,262.01/1,633,180.81
6. Step 6: Final answer
   x = 1,239,385.48