Finding the Fourth Proportional to 12,562.22, 17,373.48 and 10,987.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.22 : 17,373.48 = 10,987.58 : x
2. Step 2: Convert to fraction form
   12,562.22/17,373.48 = 10,987.58/x
3. Step 3: Cross multiply
   12,562.22x = 17,373.48 × 10,987.58
4. Step 4: Simplify right side
   12,562.22x = 190,892,501.38
5. Step 5: Solve for x
   x = 190,892,501.38/12,562.22
6. Step 6: Final answer
   x = 15,195.76