Finding the Fourth Proportional to 9,778.01, 14,667.47 and 2,852.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,778.01 : 14,667.47 = 2,852.51 : x
2. Step 2: Convert to fraction form
   9,778.01/14,667.47 = 2,852.51/x
3. Step 3: Cross multiply
   9,778.01x = 14,667.47 × 2,852.51
4. Step 4: Simplify right side
   9,778.01x = 41,839,082.95
5. Step 5: Solve for x
   x = 41,839,082.95/9,778.01
6. Step 6: Final answer
   x = 4,278.90