Finding the Fourth Proportional to 74,298.72, 111,436.56 and 21,694.08

Step by Step Solution

1. Step 1: Write the proportion equation
   74,298.72 : 111,436.56 = 21,694.08 : x
2. Step 2: Convert to fraction form
   74,298.72/111,436.56 = 21,694.08/x
3. Step 3: Cross multiply
   74,298.72x = 111,436.56 × 21,694.08
4. Step 4: Simplify right side
   74,298.72x = 2,417,513,647.56
5. Step 5: Solve for x
   x = 2,417,513,647.56/74,298.72
6. Step 6: Final answer
   x = 32,537.76