Finding the Fourth Proportional to 23,599.95, 32,566.72 and 12,987.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,599.95 : 32,566.72 = 12,987.53 : x
2. Step 2: Convert to fraction form
   23,599.95/32,566.72 = 12,987.53/x
3. Step 3: Cross multiply
   23,599.95x = 32,566.72 × 12,987.53
4. Step 4: Simplify right side
   23,599.95x = 422,961,253.00
5. Step 5: Solve for x
   x = 422,961,253.00/23,599.95
6. Step 6: Final answer
   x = 17,922.12