Finding the Fourth Proportional to 23,577.32, 32,535.50 and 12,964.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,577.32 : 32,535.50 = 12,964.90 : x
2. Step 2: Convert to fraction form
   23,577.32/32,535.50 = 12,964.90/x
3. Step 3: Cross multiply
   23,577.32x = 32,535.50 × 12,964.90
4. Step 4: Simplify right side
   23,577.32x = 421,819,503.95
5. Step 5: Solve for x
   x = 421,819,503.95/23,577.32
6. Step 6: Final answer
   x = 17,890.90