Finding the Fourth Proportional to 9,386.34, 12,950.61 and 5,607.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.34 : 12,950.61 = 5,607.83 : x
2. Step 2: Convert to fraction form
   9,386.34/12,950.61 = 5,607.83/x
3. Step 3: Cross multiply
   9,386.34x = 12,950.61 × 5,607.83
4. Step 4: Simplify right side
   9,386.34x = 72,624,754.52
5. Step 5: Solve for x
   x = 72,624,754.52/9,386.34
6. Step 6: Final answer
   x = 7,737.28