Finding the Fourth Proportional to 1,560,530, 2,153,706.72 and 881,510.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,530 : 2,153,706.72 = 881,510.24 : x
2. Step 2: Convert to fraction form
   1,560,530/2,153,706.72 = 881,510.24/x
3. Step 3: Cross multiply
   1,560,530x = 2,153,706.72 × 881,510.24
4. Step 4: Simplify right side
   1,560,530x = 1,898,514,527,636.81
5. Step 5: Solve for x
   x = 1,898,514,527,636.81/1,560,530
6. Step 6: Final answer
   x = 1,216,583.17