Finding the Fourth Proportional to 9,843.42, 14,764.50 and 3,999.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.42 : 14,764.50 = 3,999.87 : x
2. Step 2: Convert to fraction form
   9,843.42/14,764.50 = 3,999.87/x
3. Step 3: Cross multiply
   9,843.42x = 14,764.50 × 3,999.87
4. Step 4: Simplify right side
   9,843.42x = 59,056,080.62
5. Step 5: Solve for x
   x = 59,056,080.62/9,843.42
6. Step 6: Final answer
   x = 5,999.55