Finding the Fourth Proportional to 23,602.32, 32,570.00 and 12,989.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,602.32 : 32,570.00 = 12,989.91 : x
2. Step 2: Convert to fraction form
   23,602.32/32,570.00 = 12,989.91/x
3. Step 3: Cross multiply
   23,602.32x = 32,570.00 × 12,989.91
4. Step 4: Simplify right side
   23,602.32x = 423,081,303.75
5. Step 5: Solve for x
   x = 423,081,303.75/23,602.32
6. Step 6: Final answer
   x = 17,925.41