Finding the Fourth Proportional to 151,315.52, 208,720.80 and 108,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,315.52 : 208,720.80 = 108,806.72 : x
2. Step 2: Convert to fraction form
   151,315.52/208,720.80 = 108,806.72/x
3. Step 3: Cross multiply
   151,315.52x = 208,720.80 × 108,806.72
4. Step 4: Simplify right side
   151,315.52x = 22,710,225,643.78
5. Step 5: Solve for x
   x = 22,710,225,643.78/151,315.52
6. Step 6: Final answer
   x = 150,085.24