Finding the Fourth Proportional to 1,020,443.83, 1,407,741.31 and 657,984.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,443.83 : 1,407,741.31 = 657,984.12 : x
2. Step 2: Convert to fraction form
   1,020,443.83/1,407,741.31 = 657,984.12/x
3. Step 3: Cross multiply
   1,020,443.83x = 1,407,741.31 × 657,984.12
4. Step 4: Simplify right side
   1,020,443.83x = 926,271,427,048.00
5. Step 5: Solve for x
   x = 926,271,427,048.00/1,020,443.83
6. Step 6: Final answer
   x = 907,714.27