Finding the Fourth Proportional to 69,003.89, 103,505.69 and 21,622.60

Step by Step Solution

1. Step 1: Write the proportion equation
   69,003.89 : 103,505.69 = 21,622.60 : x
2. Step 2: Convert to fraction form
   69,003.89/103,505.69 = 21,622.60/x
3. Step 3: Cross multiply
   69,003.89x = 103,505.69 × 21,622.60
4. Step 4: Simplify right side
   69,003.89x = 2,238,061,927.89
5. Step 5: Solve for x
   x = 2,238,061,927.89/69,003.89
6. Step 6: Final answer
   x = 32,433.85