Finding the Fourth Proportional to 151,427.16, 208,978.63 and 83,444.02

Step by Step Solution

1. Step 1: Write the proportion equation
   151,427.16 : 208,978.63 = 83,444.02 : x
2. Step 2: Convert to fraction form
   151,427.16/208,978.63 = 83,444.02/x
3. Step 3: Cross multiply
   151,427.16x = 208,978.63 × 83,444.02
4. Step 4: Simplify right side
   151,427.16x = 17,438,016,250.24
5. Step 5: Solve for x
   x = 17,438,016,250.24/151,427.16
6. Step 6: Final answer
   x = 115,157.78