Finding the Fourth Proportional to 9,398.58, 14,088.56 and 5,240.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,398.58 : 14,088.56 = 5,240.49 : x
2. Step 2: Convert to fraction form
   9,398.58/14,088.56 = 5,240.49/x
3. Step 3: Cross multiply
   9,398.58x = 14,088.56 × 5,240.49
4. Step 4: Simplify right side
   9,398.58x = 73,830,931.59
5. Step 5: Solve for x
   x = 73,830,931.59/9,398.58
6. Step 6: Final answer
   x = 7,855.54