Finding the Fourth Proportional to 150,978.53, 208,353.01 and 82,998.37

Step by Step Solution

1. Step 1: Write the proportion equation
   150,978.53 : 208,353.01 = 82,998.37 : x
2. Step 2: Convert to fraction form
   150,978.53/208,353.01 = 82,998.37/x
3. Step 3: Cross multiply
   150,978.53x = 208,353.01 × 82,998.37
4. Step 4: Simplify right side
   150,978.53x = 17,292,960,214.59
5. Step 5: Solve for x
   x = 17,292,960,214.59/150,978.53
6. Step 6: Final answer
   x = 114,539.20