Finding the Fourth Proportional to 8,038.06, 11,085.12 and 5,515.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,038.06 : 11,085.12 = 5,515.72 : x
2. Step 2: Convert to fraction form
   8,038.06/11,085.12 = 5,515.72/x
3. Step 3: Cross multiply
   8,038.06x = 11,085.12 × 5,515.72
4. Step 4: Simplify right side
   8,038.06x = 61,142,390.37
5. Step 5: Solve for x
   x = 61,142,390.37/8,038.06
6. Step 6: Final answer
   x = 7,606.61