Finding the Fourth Proportional to 13,897.76, 19,178.72 and 7,610.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,897.76 : 19,178.72 = 7,610.14 : x
2. Step 2: Convert to fraction form
   13,897.76/19,178.72 = 7,610.14/x
3. Step 3: Cross multiply
   13,897.76x = 19,178.72 × 7,610.14
4. Step 4: Simplify right side
   13,897.76x = 145,952,610.28
5. Step 5: Solve for x
   x = 145,952,610.28/13,897.76
6. Step 6: Final answer
   x = 10,501.88