Finding the Fourth Proportional to 9,847.07, 13,588.86 and 5,370.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.07 : 13,588.86 = 5,370.87 : x
2. Step 2: Convert to fraction form
   9,847.07/13,588.86 = 5,370.87/x
3. Step 3: Cross multiply
   9,847.07x = 13,588.86 × 5,370.87
4. Step 4: Simplify right side
   9,847.07x = 72,984,071.61
5. Step 5: Solve for x
   x = 72,984,071.61/9,847.07
6. Step 6: Final answer
   x = 7,411.76