Finding the Fourth Proportional to 12,062, 16,645.60 and 7,870.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,062 : 16,645.60 = 7,870.26 : x
2. Step 2: Convert to fraction form
   12,062/16,645.60 = 7,870.26/x
3. Step 3: Cross multiply
   12,062x = 16,645.60 × 7,870.26
4. Step 4: Simplify right side
   12,062x = 131,005,199.86
5. Step 5: Solve for x
   x = 131,005,199.86/12,062
6. Step 6: Final answer
   x = 10,860.98