Finding the Fourth Proportional to 14,056.02, 21,084.71 and 5,290.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,056.02 : 21,084.71 = 5,290.27 : x
2. Step 2: Convert to fraction form
   14,056.02/21,084.71 = 5,290.27/x
3. Step 3: Cross multiply
   14,056.02x = 21,084.71 × 5,290.27
4. Step 4: Simplify right side
   14,056.02x = 111,543,729.61
5. Step 5: Solve for x
   x = 111,543,729.61/14,056.02
6. Step 6: Final answer
   x = 7,935.66