Finding the Fourth Proportional to 1,012,111.32, 1,396,160.70 and 649,131.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,111.32 : 1,396,160.70 = 649,131.24 : x
2. Step 2: Convert to fraction form
   1,012,111.32/1,396,160.70 = 649,131.24/x
3. Step 3: Cross multiply
   1,012,111.32x = 1,396,160.70 × 649,131.24
4. Step 4: Simplify right side
   1,012,111.32x = 906,291,526,430.27
5. Step 5: Solve for x
   x = 906,291,526,430.27/1,012,111.32
6. Step 6: Final answer
   x = 895,446.49