Finding the Fourth Proportional to 23,870.32, 32,939.82 and 13,799.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.32 : 32,939.82 = 13,799.02 : x
2. Step 2: Convert to fraction form
   23,870.32/32,939.82 = 13,799.02/x
3. Step 3: Cross multiply
   23,870.32x = 32,939.82 × 13,799.02
4. Step 4: Simplify right side
   23,870.32x = 454,537,234.98
5. Step 5: Solve for x
   x = 454,537,234.98/23,870.32
6. Step 6: Final answer
   x = 19,041.94