Finding the Fourth Proportional to 10,623.56, 14,635.13 and 7,430.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,623.56 : 14,635.13 = 7,430.89 : x
2. Step 2: Convert to fraction form
   10,623.56/14,635.13 = 7,430.89/x
3. Step 3: Cross multiply
   10,623.56x = 14,635.13 × 7,430.89
4. Step 4: Simplify right side
   10,623.56x = 108,752,036.66
5. Step 5: Solve for x
   x = 108,752,036.66/10,623.56
6. Step 6: Final answer
   x = 10,236.88