Finding the Fourth Proportional to 13,846.78, 19,108.29 and 7,559.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.78 : 19,108.29 = 7,559.20 : x
2. Step 2: Convert to fraction form
   13,846.78/19,108.29 = 7,559.20/x
3. Step 3: Cross multiply
   13,846.78x = 19,108.29 × 7,559.20
4. Step 4: Simplify right side
   13,846.78x = 144,443,385.77
5. Step 5: Solve for x
   x = 144,443,385.77/13,846.78
6. Step 6: Final answer
   x = 10,431.55