Finding the Fourth Proportional to 12,962.74, 19,448.15 and 4,642.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,962.74 : 19,448.15 = 4,642.83 : x
2. Step 2: Convert to fraction form
   12,962.74/19,448.15 = 4,642.83/x
3. Step 3: Cross multiply
   12,962.74x = 19,448.15 × 4,642.83
4. Step 4: Simplify right side
   12,962.74x = 90,294,448.46
5. Step 5: Solve for x
   x = 90,294,448.46/12,962.74
6. Step 6: Final answer
   x = 6,965.69