Finding the Fourth Proportional to 21,492.83, 32,251.01 and 8,345.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,492.83 : 32,251.01 = 8,345.72 : x
2. Step 2: Convert to fraction form
   21,492.83/32,251.01 = 8,345.72/x
3. Step 3: Cross multiply
   21,492.83x = 32,251.01 × 8,345.72
4. Step 4: Simplify right side
   21,492.83x = 269,157,696.19
5. Step 5: Solve for x
   x = 269,157,696.19/21,492.83
6. Step 6: Final answer
   x = 12,523.14