Finding the Fourth Proportional to 151,480.37, 209,047.32 and 83,498.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,480.37 : 209,047.32 = 83,498.15 : x
2. Step 2: Convert to fraction form
   151,480.37/209,047.32 = 83,498.15/x
3. Step 3: Cross multiply
   151,480.37x = 209,047.32 × 83,498.15
4. Step 4: Simplify right side
   151,480.37x = 17,455,065,005.08
5. Step 5: Solve for x
   x = 17,455,065,005.08/151,480.37
6. Step 6: Final answer
   x = 115,229.88