Finding the Fourth Proportional to 9,390.41, 12,956.62 and 5,612.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,390.41 : 12,956.62 = 5,612.93 : x
2. Step 2: Convert to fraction form
   9,390.41/12,956.62 = 5,612.93/x
3. Step 3: Cross multiply
   9,390.41x = 12,956.62 × 5,612.93
4. Step 4: Simplify right side
   9,390.41x = 72,724,601.10
5. Step 5: Solve for x
   x = 72,724,601.10/9,390.41
6. Step 6: Final answer
   x = 7,744.56