Finding the Fourth Proportional to 440,061.98, 607,181.46 and 249,075.38

Step by Step Solution

1. Step 1: Write the proportion equation
   440,061.98 : 607,181.46 = 249,075.38 : x
2. Step 2: Convert to fraction form
   440,061.98/607,181.46 = 249,075.38/x
3. Step 3: Cross multiply
   440,061.98x = 607,181.46 × 249,075.38
4. Step 4: Simplify right side
   440,061.98x = 151,233,952,878.46
5. Step 5: Solve for x
   x = 151,233,952,878.46/440,061.98
6. Step 6: Final answer
   x = 343,665.12