Finding the Fourth Proportional to 21,492.47, 29,659.52 and 12,061.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,492.47 : 29,659.52 = 12,061.01 : x
2. Step 2: Convert to fraction form
   21,492.47/29,659.52 = 12,061.01/x
3. Step 3: Cross multiply
   21,492.47x = 29,659.52 × 12,061.01
4. Step 4: Simplify right side
   21,492.47x = 357,723,558.71
5. Step 5: Solve for x
   x = 357,723,558.71/21,492.47
6. Step 6: Final answer
   x = 16,644.14