Finding the Fourth Proportional to 12,388.41, 17,094.86 and 7,351.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.41 : 17,094.86 = 7,351.76 : x
2. Step 2: Convert to fraction form
   12,388.41/17,094.86 = 7,351.76/x
3. Step 3: Cross multiply
   12,388.41x = 17,094.86 × 7,351.76
4. Step 4: Simplify right side
   12,388.41x = 125,677,307.95
5. Step 5: Solve for x
   x = 125,677,307.95/12,388.41
6. Step 6: Final answer
   x = 10,144.75