Finding the Fourth Proportional to 441,002.00, 660,670.58 and 260,548.98

Step by Step Solution

1. Step 1: Write the proportion equation
   441,002.00 : 660,670.58 = 260,548.98 : x
2. Step 2: Convert to fraction form
   441,002.00/660,670.58 = 260,548.98/x
3. Step 3: Cross multiply
   441,002.00x = 660,670.58 × 260,548.98
4. Step 4: Simplify right side
   441,002.00x = 172,137,046,386.38
5. Step 5: Solve for x
   x = 172,137,046,386.38/441,002.00
6. Step 6: Final answer
   x = 390,331.67