Finding the Fourth Proportional to 13,835.48, 19,087.18 and 9,056.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,835.48 : 19,087.18 = 9,056.59 : x
2. Step 2: Convert to fraction form
   13,835.48/19,087.18 = 9,056.59/x
3. Step 3: Cross multiply
   13,835.48x = 19,087.18 × 9,056.59
4. Step 4: Simplify right side
   13,835.48x = 172,864,693.16
5. Step 5: Solve for x
   x = 172,864,693.16/13,835.48
6. Step 6: Final answer
   x = 12,494.31