Finding the Fourth Proportional to 748,906.10, 1,123,359.15 and 748,906.10

Step by Step Solution

1. Step 1: Write the proportion equation
   748,906.10 : 1,123,359.15 = 748,906.10 : x
2. Step 2: Convert to fraction form
   748,906.10/1,123,359.15 = 748,906.10/x
3. Step 3: Cross multiply
   748,906.10x = 1,123,359.15 × 748,906.10
4. Step 4: Simplify right side
   748,906.10x = 841,290,519,925.82
5. Step 5: Solve for x
   x = 841,290,519,925.82/748,906.10
6. Step 6: Final answer
   x = 1,123,359.15