Finding the Fourth Proportional to 14,870.22, 22,302.48 and 7,472.70

Step by Step Solution

1. Step 1: Write the proportion equation
   14,870.22 : 22,302.48 = 7,472.70 : x
2. Step 2: Convert to fraction form
   14,870.22/22,302.48 = 7,472.70/x
3. Step 3: Cross multiply
   14,870.22x = 22,302.48 × 7,472.70
4. Step 4: Simplify right side
   14,870.22x = 166,659,742.30
5. Step 5: Solve for x
   x = 166,659,742.30/14,870.22
6. Step 6: Final answer
   x = 11,207.62