Finding the Fourth Proportional to 9,847.02, 13,588.44 and 5,370.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.02 : 13,588.44 = 5,370.78 : x
2. Step 2: Convert to fraction form
   9,847.02/13,588.44 = 5,370.78/x
3. Step 3: Cross multiply
   9,847.02x = 13,588.44 × 5,370.78
4. Step 4: Simplify right side
   9,847.02x = 72,980,521.78
5. Step 5: Solve for x
   x = 72,980,521.78/9,847.02
6. Step 6: Final answer
   x = 7,411.43