Finding the Fourth Proportional to 147,111.69, 203,008.15 and 83,448.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,111.69 : 203,008.15 = 83,448.12 : x
2. Step 2: Convert to fraction form
   147,111.69/203,008.15 = 83,448.12/x
3. Step 3: Cross multiply
   147,111.69x = 203,008.15 × 83,448.12
4. Step 4: Simplify right side
   147,111.69x = 16,940,647,238.52
5. Step 5: Solve for x
   x = 16,940,647,238.52/147,111.69
6. Step 6: Final answer
   x = 115,155.01