Finding the Fourth Proportional to 9,078.88, 13,627.86 and 8,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.88 : 13,627.86 = 8,045.50 : x
2. Step 2: Convert to fraction form
   9,078.88/13,627.86 = 8,045.50/x
3. Step 3: Cross multiply
   9,078.88x = 13,627.86 × 8,045.50
4. Step 4: Simplify right side
   9,078.88x = 109,642,947.63
5. Step 5: Solve for x
   x = 109,642,947.63/9,078.88
6. Step 6: Final answer
   x = 12,076.70