Finding the Fourth Proportional to 19,085.31, 26,337.89 and 10,587.99

Step by Step Solution

1. Step 1: Write the proportion equation
   19,085.31 : 26,337.89 = 10,587.99 : x
2. Step 2: Convert to fraction form
   19,085.31/26,337.89 = 10,587.99/x
3. Step 3: Cross multiply
   19,085.31x = 26,337.89 × 10,587.99
4. Step 4: Simplify right side
   19,085.31x = 278,865,342.41
5. Step 5: Solve for x
   x = 278,865,342.41/19,085.31
6. Step 6: Final answer
   x = 14,611.51