Finding the Fourth Proportional to 9,038.93, 13,562.39 and 3,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.93 : 13,562.39 = 3,116.72 : x
2. Step 2: Convert to fraction form
   9,038.93/13,562.39 = 3,116.72/x
3. Step 3: Cross multiply
   9,038.93x = 13,562.39 × 3,116.72
4. Step 4: Simplify right side
   9,038.93x = 42,270,088.77
5. Step 5: Solve for x
   x = 42,270,088.77/9,038.93
6. Step 6: Final answer
   x = 4,676.45