Finding the Fourth Proportional to 13,897.89, 19,178.89 and 7,610.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,897.89 : 19,178.89 = 7,610.26 : x
2. Step 2: Convert to fraction form
   13,897.89/19,178.89 = 7,610.26/x
3. Step 3: Cross multiply
   13,897.89x = 19,178.89 × 7,610.26
4. Step 4: Simplify right side
   13,897.89x = 145,956,301.36
5. Step 5: Solve for x
   x = 145,956,301.36/13,897.89
6. Step 6: Final answer
   x = 10,502.05