Finding the Fourth Proportional to 357,010.53, 535,142.17 and 120,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   357,010.53 : 535,142.17 = 120,271.42 : x
2. Step 2: Convert to fraction form
   357,010.53/535,142.17 = 120,271.42/x
3. Step 3: Cross multiply
   357,010.53x = 535,142.17 × 120,271.42
4. Step 4: Simplify right side
   357,010.53x = 64,362,308,687.78
5. Step 5: Solve for x
   x = 64,362,308,687.78/357,010.53
6. Step 6: Final answer
   x = 180,281.26