Finding the Fourth Proportional to 23,776.68, 32,810.04 and 13,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,776.68 : 32,810.04 = 13,019.20 : x
2. Step 2: Convert to fraction form
   23,776.68/32,810.04 = 13,019.20/x
3. Step 3: Cross multiply
   23,776.68x = 32,810.04 × 13,019.20
4. Step 4: Simplify right side
   23,776.68x = 427,160,472.77
5. Step 5: Solve for x
   x = 427,160,472.77/23,776.68
6. Step 6: Final answer
   x = 17,965.52