Finding the Fourth Proportional to 19,123.60, 26,389.71 and 10,626.32

Step by Step Solution

1. Step 1: Write the proportion equation
   19,123.60 : 26,389.71 = 10,626.32 : x
2. Step 2: Convert to fraction form
   19,123.60/26,389.71 = 10,626.32/x
3. Step 3: Cross multiply
   19,123.60x = 26,389.71 × 10,626.32
4. Step 4: Simplify right side
   19,123.60x = 280,425,503.17
5. Step 5: Solve for x
   x = 280,425,503.17/19,123.60
6. Step 6: Final answer
   x = 14,663.84