Finding the Fourth Proportional to 22,975.58, 31,700.76 and 13,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,975.58 : 31,700.76 = 13,412.72 : x
2. Step 2: Convert to fraction form
   22,975.58/31,700.76 = 13,412.72/x
3. Step 3: Cross multiply
   22,975.58x = 31,700.76 × 13,412.72
4. Step 4: Simplify right side
   22,975.58x = 425,193,417.67
5. Step 5: Solve for x
   x = 425,193,417.67/22,975.58
6. Step 6: Final answer
   x = 18,506.32