Finding the Fourth Proportional to 13,898.34, 19,179.90 and 7,610.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,898.34 : 19,179.90 = 7,610.76 : x
2. Step 2: Convert to fraction form
   13,898.34/19,179.90 = 7,610.76/x
3. Step 3: Cross multiply
   13,898.34x = 19,179.90 × 7,610.76
4. Step 4: Simplify right side
   13,898.34x = 145,973,615.72
5. Step 5: Solve for x
   x = 145,973,615.72/13,898.34
6. Step 6: Final answer
   x = 10,502.95