Finding the Fourth Proportional to 151,388.32, 208,932.32 and 83,412.28

Step by Step Solution

1. Step 1: Write the proportion equation
   151,388.32 : 208,932.32 = 83,412.28 : x
2. Step 2: Convert to fraction form
   151,388.32/208,932.32 = 83,412.28/x
3. Step 3: Cross multiply
   151,388.32x = 208,932.32 × 83,412.28
4. Step 4: Simplify right side
   151,388.32x = 17,427,521,176.89
5. Step 5: Solve for x
   x = 17,427,521,176.89/151,388.32
6. Step 6: Final answer
   x = 115,118.00