Finding the Fourth Proportional to 21,127.34, 31,698.04 and 7,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,127.34 : 31,698.04 = 7,088.76 : x
2. Step 2: Convert to fraction form
   21,127.34/31,698.04 = 7,088.76/x
3. Step 3: Cross multiply
   21,127.34x = 31,698.04 × 7,088.76
4. Step 4: Simplify right side
   21,127.34x = 224,699,798.03
5. Step 5: Solve for x
   x = 224,699,798.03/21,127.34
6. Step 6: Final answer
   x = 10,635.50