Finding the Fourth Proportional to 9,392.94, 12,961.35 and 5,615.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.94 : 12,961.35 = 5,615.35 : x
2. Step 2: Convert to fraction form
   9,392.94/12,961.35 = 5,615.35/x
3. Step 3: Cross multiply
   9,392.94x = 12,961.35 × 5,615.35
4. Step 4: Simplify right side
   9,392.94x = 72,782,484.32
5. Step 5: Solve for x
   x = 72,782,484.32/9,392.94
6. Step 6: Final answer
   x = 7,748.64