Finding the Fourth Proportional to 19,892,336.50, 27,436,626.89 and 17,565,123.17

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892,336.50 : 27,436,626.89 = 17,565,123.17 : x
2. Step 2: Convert to fraction form
   19,892,336.50/27,436,626.89 = 17,565,123.17/x
3. Step 3: Cross multiply
   19,892,336.50x = 27,436,626.89 × 17,565,123.17
4. Step 4: Simplify right side
   19,892,336.50x = 481,927,730,738,819.25
5. Step 5: Solve for x
   x = 481,927,730,738,819.25/19,892,336.50
6. Step 6: Final answer
   x = 24,226,803.66