Finding the Fourth Proportional to 150,663.42, 207,913.59 and 82,681.02

Step by Step Solution

1. Step 1: Write the proportion equation
   150,663.42 : 207,913.59 = 82,681.02 : x
2. Step 2: Convert to fraction form
   150,663.42/207,913.59 = 82,681.02/x
3. Step 3: Cross multiply
   150,663.42x = 207,913.59 × 82,681.02
4. Step 4: Simplify right side
   150,663.42x = 17,190,507,693.06
5. Step 5: Solve for x
   x = 17,190,507,693.06/150,663.42
6. Step 6: Final answer
   x = 114,098.75