Finding the Fourth Proportional to 1,112,028.91, 1,665,678.05 and 656,128.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,028.91 : 1,665,678.05 = 656,128.81 : x
2. Step 2: Convert to fraction form
   1,112,028.91/1,665,678.05 = 656,128.81/x
3. Step 3: Cross multiply
   1,112,028.91x = 1,665,678.05 × 656,128.81
4. Step 4: Simplify right side
   1,112,028.91x = 1,092,899,353,508.98
5. Step 5: Solve for x
   x = 1,092,899,353,508.98/1,112,028.91
6. Step 6: Final answer
   x = 982,797.61