Finding the Fourth Proportional to 23,780.19, 35,662.98 and 19,089.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,780.19 : 35,662.98 = 19,089.09 : x
2. Step 2: Convert to fraction form
   23,780.19/35,662.98 = 19,089.09/x
3. Step 3: Cross multiply
   23,780.19x = 35,662.98 × 19,089.09
4. Step 4: Simplify right side
   23,780.19x = 680,773,834.89
5. Step 5: Solve for x
   x = 680,773,834.89/23,780.19
6. Step 6: Final answer
   x = 28,627.77