Finding the Fourth Proportional to 12,655.89, 18,987.48 and 5,262.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,655.89 : 18,987.48 = 5,262.01 : x
2. Step 2: Convert to fraction form
   12,655.89/18,987.48 = 5,262.01/x
3. Step 3: Cross multiply
   12,655.89x = 18,987.48 × 5,262.01
4. Step 4: Simplify right side
   12,655.89x = 99,912,262.17
5. Step 5: Solve for x
   x = 99,912,262.17/12,655.89
6. Step 6: Final answer
   x = 7,894.53