Finding the Fourth Proportional to 27,123.98, 40,683.87 and 8,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   27,123.98 : 40,683.87 = 8,404.16 : x
2. Step 2: Convert to fraction form
   27,123.98/40,683.87 = 8,404.16/x
3. Step 3: Cross multiply
   27,123.98x = 40,683.87 × 8,404.16
4. Step 4: Simplify right side
   27,123.98x = 341,913,549.48
5. Step 5: Solve for x
   x = 341,913,549.48/27,123.98
6. Step 6: Final answer
   x = 12,605.58