Finding the Fourth Proportional to 9,985.32, 14,957.82 and 9,168.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,985.32 : 14,957.82 = 9,168.84 : x
2. Step 2: Convert to fraction form
   9,985.32/14,957.82 = 9,168.84/x
3. Step 3: Cross multiply
   9,985.32x = 14,957.82 × 9,168.84
4. Step 4: Simplify right side
   9,985.32x = 137,145,858.33
5. Step 5: Solve for x
   x = 137,145,858.33/9,985.32
6. Step 6: Final answer
   x = 13,734.75