Finding the Fourth Proportional to 942,090.31, 1,300,059.99 and 549,698.32

Step by Step Solution

1. Step 1: Write the proportion equation
   942,090.31 : 1,300,059.99 = 549,698.32 : x
2. Step 2: Convert to fraction form
   942,090.31/1,300,059.99 = 549,698.32/x
3. Step 3: Cross multiply
   942,090.31x = 1,300,059.99 × 549,698.32
4. Step 4: Simplify right side
   942,090.31x = 714,640,790,526.31
5. Step 5: Solve for x
   x = 714,640,790,526.31/942,090.31
6. Step 6: Final answer
   x = 758,569.30