Finding the Fourth Proportional to 14,870.09, 20,521.01 and 8,155.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,870.09 : 20,521.01 = 8,155.32 : x
2. Step 2: Convert to fraction form
   14,870.09/20,521.01 = 8,155.32/x
3. Step 3: Cross multiply
   14,870.09x = 20,521.01 × 8,155.32
4. Step 4: Simplify right side
   14,870.09x = 167,355,362.50
5. Step 5: Solve for x
   x = 167,355,362.50/14,870.09
6. Step 6: Final answer
   x = 11,254.50