Finding the Fourth Proportional to 1,007,461.32, 1,389,847.32 and 680,669.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,461.32 : 1,389,847.32 = 680,669.52 : x
2. Step 2: Convert to fraction form
   1,007,461.32/1,389,847.32 = 680,669.52/x
3. Step 3: Cross multiply
   1,007,461.32x = 1,389,847.32 × 680,669.52
4. Step 4: Simplify right side
   1,007,461.32x = 946,026,708,177.69
5. Step 5: Solve for x
   x = 946,026,708,177.69/1,007,461.32
6. Step 6: Final answer
   x = 939,020.38