Finding the Fourth Proportional to 19,662.72, 29,492.16 and 5,811.84

Step by Step Solution

1. Step 1: Write the proportion equation
   19,662.72 : 29,492.16 = 5,811.84 : x
2. Step 2: Convert to fraction form
   19,662.72/29,492.16 = 5,811.84/x
3. Step 3: Cross multiply
   19,662.72x = 29,492.16 × 5,811.84
4. Step 4: Simplify right side
   19,662.72x = 171,403,715.17
5. Step 5: Solve for x
   x = 171,403,715.17/19,662.72
6. Step 6: Final answer
   x = 8,717.19