Finding the Fourth Proportional to 1,126,443.46, 1,689,665.13 and 748,103.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,443.46 : 1,689,665.13 = 748,103.16 : x
2. Step 2: Convert to fraction form
   1,126,443.46/1,689,665.13 = 748,103.16/x
3. Step 3: Cross multiply
   1,126,443.46x = 1,689,665.13 × 748,103.16
4. Step 4: Simplify right side
   1,126,443.46x = 1,264,043,819,926.69
5. Step 5: Solve for x
   x = 1,264,043,819,926.69/1,126,443.46
6. Step 6: Final answer
   x = 1,122,154.70