Finding the Fourth Proportional to 9,310.69, 12,848.83 and 5,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.69 : 12,848.83 = 5,061.77 : x
2. Step 2: Convert to fraction form
   9,310.69/12,848.83 = 5,061.77/x
3. Step 3: Cross multiply
   9,310.69x = 12,848.83 × 5,061.77
4. Step 4: Simplify right side
   9,310.69x = 65,037,793.51
5. Step 5: Solve for x
   x = 65,037,793.51/9,310.69
6. Step 6: Final answer
   x = 6,985.28