Finding the Fourth Proportional to 15,846.02, 21,870.98 and 10,469.34

Step by Step Solution

1. Step 1: Write the proportion equation
   15,846.02 : 21,870.98 = 10,469.34 : x
2. Step 2: Convert to fraction form
   15,846.02/21,870.98 = 10,469.34/x
3. Step 3: Cross multiply
   15,846.02x = 21,870.98 × 10,469.34
4. Step 4: Simplify right side
   15,846.02x = 228,974,725.75
5. Step 5: Solve for x
   x = 228,974,725.75/15,846.02
6. Step 6: Final answer
   x = 14,449.98