Finding the Fourth Proportional to 9,861.78, 14,796.45 and 4,023.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.78 : 14,796.45 = 4,023.30 : x
2. Step 2: Convert to fraction form
   9,861.78/14,796.45 = 4,023.30/x
3. Step 3: Cross multiply
   9,861.78x = 14,796.45 × 4,023.30
4. Step 4: Simplify right side
   9,861.78x = 59,530,557.29
5. Step 5: Solve for x
   x = 59,530,557.29/9,861.78
6. Step 6: Final answer
   x = 6,036.49