Finding the Fourth Proportional to 9,782.50, 14,667.37 and 6,440.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,782.50 : 14,667.37 = 6,440.63 : x
2. Step 2: Convert to fraction form
   9,782.50/14,667.37 = 6,440.63/x
3. Step 3: Cross multiply
   9,782.50x = 14,667.37 × 6,440.63
4. Step 4: Simplify right side
   9,782.50x = 94,467,071.78
5. Step 5: Solve for x
   x = 94,467,071.78/9,782.50
6. Step 6: Final answer
   x = 9,656.74