Finding the Fourth Proportional to 9,078.63, 12,530.88 and 5,101.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.63 : 12,530.88 = 5,101.02 : x
2. Step 2: Convert to fraction form
   9,078.63/12,530.88 = 5,101.02/x
3. Step 3: Cross multiply
   9,078.63x = 12,530.88 × 5,101.02
4. Step 4: Simplify right side
   9,078.63x = 63,920,269.50
5. Step 5: Solve for x
   x = 63,920,269.50/9,078.63
6. Step 6: Final answer
   x = 7,040.74