Finding the Fourth Proportional to 151,017.32, 208,398.30 and 83,030.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,017.32 : 208,398.30 = 83,030.25 : x
2. Step 2: Convert to fraction form
   151,017.32/208,398.30 = 83,030.25/x
3. Step 3: Cross multiply
   151,017.32x = 208,398.30 × 83,030.25
4. Step 4: Simplify right side
   151,017.32x = 17,303,362,012.43
5. Step 5: Solve for x
   x = 17,303,362,012.43/151,017.32
6. Step 6: Final answer
   x = 114,578.66