Finding the Fourth Proportional to 14,123.95, 21,186.06 and 4,263.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.95 : 21,186.06 = 4,263.31 : x
2. Step 2: Convert to fraction form
   14,123.95/21,186.06 = 4,263.31/x
3. Step 3: Cross multiply
   14,123.95x = 21,186.06 × 4,263.31
4. Step 4: Simplify right side
   14,123.95x = 90,322,741.46
5. Step 5: Solve for x
   x = 90,322,741.46/14,123.95
6. Step 6: Final answer
   x = 6,395.01