Finding the Fourth Proportional to 23,011.02, 31,770.63 and 15,468.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,011.02 : 31,770.63 = 15,468.57 : x
2. Step 2: Convert to fraction form
   23,011.02/31,770.63 = 15,468.57/x
3. Step 3: Cross multiply
   23,011.02x = 31,770.63 × 15,468.57
4. Step 4: Simplify right side
   23,011.02x = 491,446,214.10
5. Step 5: Solve for x
   x = 491,446,214.10/23,011.02
6. Step 6: Final answer
   x = 21,356.99