Finding the Fourth Proportional to 151,005.40, 208,388.88 and 83,022.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151,005.40 : 208,388.88 = 83,022.88 : x
2. Step 2: Convert to fraction form
   151,005.40/208,388.88 = 83,022.88/x
3. Step 3: Cross multiply
   151,005.40x = 208,388.88 × 83,022.88
4. Step 4: Simplify right side
   151,005.40x = 17,301,044,977.57
5. Step 5: Solve for x
   x = 17,301,044,977.57/151,005.40
6. Step 6: Final answer
   x = 114,572.36