Finding the Fourth Proportional to 9,501.78, 14,255.55 and 4,570.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.78 : 14,255.55 = 4,570.02 : x
2. Step 2: Convert to fraction form
   9,501.78/14,255.55 = 4,570.02/x
3. Step 3: Cross multiply
   9,501.78x = 14,255.55 × 4,570.02
4. Step 4: Simplify right side
   9,501.78x = 65,148,148.61
5. Step 5: Solve for x
   x = 65,148,148.61/9,501.78
6. Step 6: Final answer
   x = 6,856.42