Finding the Fourth Proportional to 9,123.96, 13,685.78 and 4,962.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.96 : 13,685.78 = 4,962.98 : x
2. Step 2: Convert to fraction form
   9,123.96/13,685.78 = 4,962.98/x
3. Step 3: Cross multiply
   9,123.96x = 13,685.78 × 4,962.98
4. Step 4: Simplify right side
   9,123.96x = 67,922,252.42
5. Step 5: Solve for x
   x = 67,922,252.42/9,123.96
6. Step 6: Final answer
   x = 7,444.38