Finding the Fourth Proportional to 1,057,126.29, 1,458,111.69 and 674,980.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,126.29 : 1,458,111.69 = 674,980.71 : x
2. Step 2: Convert to fraction form
   1,057,126.29/1,458,111.69 = 674,980.71/x
3. Step 3: Cross multiply
   1,057,126.29x = 1,458,111.69 × 674,980.71
4. Step 4: Simplify right side
   1,057,126.29x = 984,197,263,775.50
5. Step 5: Solve for x
   x = 984,197,263,775.50/1,057,126.29
6. Step 6: Final answer
   x = 931,012.00