Finding the Fourth Proportional to 21,892.78, 32,838.72 and 7,102.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,892.78 : 32,838.72 = 7,102.59 : x
2. Step 2: Convert to fraction form
   21,892.78/32,838.72 = 7,102.59/x
3. Step 3: Cross multiply
   21,892.78x = 32,838.72 × 7,102.59
4. Step 4: Simplify right side
   21,892.78x = 233,239,814.50
5. Step 5: Solve for x
   x = 233,239,814.50/21,892.78
6. Step 6: Final answer
   x = 10,653.73