Finding the Fourth Proportional to 9,760.61, 14,642.93 and 3,917.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.61 : 14,642.93 = 3,917.67 : x
2. Step 2: Convert to fraction form
   9,760.61/14,642.93 = 3,917.67/x
3. Step 3: Cross multiply
   9,760.61x = 14,642.93 × 3,917.67
4. Step 4: Simplify right side
   9,760.61x = 57,366,147.98
5. Step 5: Solve for x
   x = 57,366,147.98/9,760.61
6. Step 6: Final answer
   x = 5,877.31