Finding the Fourth Proportional to 151,047.72, 208,440.40 and 83,064.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,047.72 : 208,440.40 = 83,064.12 : x
2. Step 2: Convert to fraction form
   151,047.72/208,440.40 = 83,064.12/x
3. Step 3: Cross multiply
   151,047.72x = 208,440.40 × 83,064.12
4. Step 4: Simplify right side
   151,047.72x = 17,313,918,398.45
5. Step 5: Solve for x
   x = 17,313,918,398.45/151,047.72
6. Step 6: Final answer
   x = 114,625.49