Finding the Fourth Proportional to 938,666.34, 1,404,143.34 and 749,496.17

Step by Step Solution

1. Step 1: Write the proportion equation
   938,666.34 : 1,404,143.34 = 749,496.17 : x
2. Step 2: Convert to fraction form
   938,666.34/1,404,143.34 = 749,496.17/x
3. Step 3: Cross multiply
   938,666.34x = 1,404,143.34 × 749,496.17
4. Step 4: Simplify right side
   938,666.34x = 1,052,400,048,440.29
5. Step 5: Solve for x
   x = 1,052,400,048,440.29/938,666.34
6. Step 6: Final answer
   x = 1,121,165.21