Finding the Fourth Proportional to 23,670.61, 32,664.59 and 13,060.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,670.61 : 32,664.59 = 13,060.21 : x
2. Step 2: Convert to fraction form
   23,670.61/32,664.59 = 13,060.21/x
3. Step 3: Cross multiply
   23,670.61x = 32,664.59 × 13,060.21
4. Step 4: Simplify right side
   23,670.61x = 426,606,404.96
5. Step 5: Solve for x
   x = 426,606,404.96/23,670.61
6. Step 6: Final answer
   x = 18,022.62