Finding the Fourth Proportional to 66,046.63, 99,066.49 and 21,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   66,046.63 : 99,066.49 = 21,667.54 : x
2. Step 2: Convert to fraction form
   66,046.63/99,066.49 = 21,667.54/x
3. Step 3: Cross multiply
   66,046.63x = 99,066.49 × 21,667.54
4. Step 4: Simplify right side
   66,046.63x = 2,146,527,134.73
5. Step 5: Solve for x
   x = 2,146,527,134.73/66,046.63
6. Step 6: Final answer
   x = 32,500.18