Finding the Fourth Proportional to 1,561,160.79, 2,340,146.04 and 885,815.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,160.79 : 2,340,146.04 = 885,815.42 : x
2. Step 2: Convert to fraction form
   1,561,160.79/2,340,146.04 = 885,815.42/x
3. Step 3: Cross multiply
   1,561,160.79x = 2,340,146.04 × 885,815.42
4. Step 4: Simplify right side
   1,561,160.79x = 2,072,937,443,825.77
5. Step 5: Solve for x
   x = 2,072,937,443,825.77/1,561,160.79
6. Step 6: Final answer
   x = 1,327,818.03