Finding the Fourth Proportional to 21,096.15, 31,634.98 and 10,006.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096.15 : 31,634.98 = 10,006.00 : x
2. Step 2: Convert to fraction form
   21,096.15/31,634.98 = 10,006.00/x
3. Step 3: Cross multiply
   21,096.15x = 31,634.98 × 10,006.00
4. Step 4: Simplify right side
   21,096.15x = 316,539,505.78
5. Step 5: Solve for x
   x = 316,539,505.78/21,096.15
6. Step 6: Final answer
   x = 15,004.61