Finding the Fourth Proportional to 7,038.71, 9,704.61 and 5,148.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,038.71 : 9,704.61 = 5,148.77 : x
2. Step 2: Convert to fraction form
   7,038.71/9,704.61 = 5,148.77/x
3. Step 3: Cross multiply
   7,038.71x = 9,704.61 × 5,148.77
4. Step 4: Simplify right side
   7,038.71x = 49,966,804.83
5. Step 5: Solve for x
   x = 49,966,804.83/7,038.71
6. Step 6: Final answer
   x = 7,098.86