Finding the Fourth Proportional to 1,107,875.15, 1,530,128.82 and 744,668.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,875.15 : 1,530,128.82 = 744,668.43 : x
2. Step 2: Convert to fraction form
   1,107,875.15/1,530,128.82 = 744,668.43/x
3. Step 3: Cross multiply
   1,107,875.15x = 1,530,128.82 × 744,668.43
4. Step 4: Simplify right side
   1,107,875.15x = 1,139,438,626,087.15
5. Step 5: Solve for x
   x = 1,139,438,626,087.15/1,107,875.15
6. Step 6: Final answer
   x = 1,028,490.11