Finding the Fourth Proportional to 9,389.41, 12,955.24 and 5,611.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.41 : 12,955.24 = 5,611.93 : x
2. Step 2: Convert to fraction form
   9,389.41/12,955.24 = 5,611.93/x
3. Step 3: Cross multiply
   9,389.41x = 12,955.24 × 5,611.93
4. Step 4: Simplify right side
   9,389.41x = 72,703,947.51
5. Step 5: Solve for x
   x = 72,703,947.51/9,389.41
6. Step 6: Final answer
   x = 7,743.19