Finding the Fourth Proportional to 9,781.83, 14,635.98 and 5,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781.83 : 14,635.98 = 5,818.50 : x
2. Step 2: Convert to fraction form
   9,781.83/14,635.98 = 5,818.50/x
3. Step 3: Cross multiply
   9,781.83x = 14,635.98 × 5,818.50
4. Step 4: Simplify right side
   9,781.83x = 85,159,449.63
5. Step 5: Solve for x
   x = 85,159,449.63/9,781.83
6. Step 6: Final answer
   x = 8,705.88