Finding the Fourth Proportional to 69,165.57, 103,752.05 and 21,784.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,165.57 : 103,752.05 = 21,784.37 : x
2. Step 2: Convert to fraction form
   69,165.57/103,752.05 = 21,784.37/x
3. Step 3: Cross multiply
   69,165.57x = 103,752.05 × 21,784.37
4. Step 4: Simplify right side
   69,165.57x = 2,260,172,417.78
5. Step 5: Solve for x
   x = 2,260,172,417.78/69,165.57
6. Step 6: Final answer
   x = 32,677.71