Finding the Fourth Proportional to 23,538.32, 32,468.61 and 13,971.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,538.32 : 32,468.61 = 13,971.90 : x
2. Step 2: Convert to fraction form
   23,538.32/32,468.61 = 13,971.90/x
3. Step 3: Cross multiply
   23,538.32x = 32,468.61 × 13,971.90
4. Step 4: Simplify right side
   23,538.32x = 453,648,009.72
5. Step 5: Solve for x
   x = 453,648,009.72/23,538.32
6. Step 6: Final answer
   x = 19,272.75