Finding the Fourth Proportional to 12,406.46, 17,123.63 and 7,630.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.46 : 17,123.63 = 7,630.52 : x
2. Step 2: Convert to fraction form
   12,406.46/17,123.63 = 7,630.52/x
3. Step 3: Cross multiply
   12,406.46x = 17,123.63 × 7,630.52
4. Step 4: Simplify right side
   12,406.46x = 130,662,077.42
5. Step 5: Solve for x
   x = 130,662,077.42/12,406.46
6. Step 6: Final answer
   x = 10,531.78