Finding the Fourth Proportional to 9,310.64, 12,848.90 and 5,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.64 : 12,848.90 = 5,061.94 : x
2. Step 2: Convert to fraction form
   9,310.64/12,848.90 = 5,061.94/x
3. Step 3: Cross multiply
   9,310.64x = 12,848.90 × 5,061.94
4. Step 4: Simplify right side
   9,310.64x = 65,040,303.43
5. Step 5: Solve for x
   x = 65,040,303.43/9,310.64
6. Step 6: Final answer
   x = 6,985.59