Finding the Fourth Proportional to 69,301.34, 103,967.62 and 21,919.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,301.34 : 103,967.62 = 21,919.30 : x
2. Step 2: Convert to fraction form
   69,301.34/103,967.62 = 21,919.30/x
3. Step 3: Cross multiply
   69,301.34x = 103,967.62 × 21,919.30
4. Step 4: Simplify right side
   69,301.34x = 2,278,897,453.07
5. Step 5: Solve for x
   x = 2,278,897,453.07/69,301.34
6. Step 6: Final answer
   x = 32,883.89