Finding the Fourth Proportional to 151,030.72, 208,416.96 and 83,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,030.72 : 208,416.96 = 83,047.12 : x
2. Step 2: Convert to fraction form
   151,030.72/208,416.96 = 83,047.12/x
3. Step 3: Cross multiply
   151,030.72x = 208,416.96 × 83,047.12
4. Step 4: Simplify right side
   151,030.72x = 17,308,428,287.16
5. Step 5: Solve for x
   x = 17,308,428,287.16/151,030.72
6. Step 6: Final answer
   x = 114,602.04