Finding the Fourth Proportional to 13,912.56, 19,188.50 and 8,610.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,912.56 : 19,188.50 = 8,610.30 : x
2. Step 2: Convert to fraction form
   13,912.56/19,188.50 = 8,610.30/x
3. Step 3: Cross multiply
   13,912.56x = 19,188.50 × 8,610.30
4. Step 4: Simplify right side
   13,912.56x = 165,218,698.50
5. Step 5: Solve for x
   x = 165,218,698.50/13,912.56
6. Step 6: Final answer
   x = 11,875.51