Finding the Fourth Proportional to 14,602.63, 20,151.61 and 7,888.26

Step by Step Solution

1. Step 1: Write the proportion equation
   14,602.63 : 20,151.61 = 7,888.26 : x
2. Step 2: Convert to fraction form
   14,602.63/20,151.61 = 7,888.26/x
3. Step 3: Cross multiply
   14,602.63x = 20,151.61 × 7,888.26
4. Step 4: Simplify right side
   14,602.63x = 158,961,139.10
5. Step 5: Solve for x
   x = 158,961,139.10/14,602.63
6. Step 6: Final answer
   x = 10,885.79