Finding the Fourth Proportional to 9,540.28, 14,312.55 and 3,917.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.28 : 14,312.55 = 3,917.94 : x
2. Step 2: Convert to fraction form
   9,540.28/14,312.55 = 3,917.94/x
3. Step 3: Cross multiply
   9,540.28x = 14,312.55 × 3,917.94
4. Step 4: Simplify right side
   9,540.28x = 56,075,771.89
5. Step 5: Solve for x
   x = 56,075,771.89/9,540.28
6. Step 6: Final answer
   x = 5,877.79