Finding the Fourth Proportional to 38,667.46, 53,364.84 and 21,674.59

Step by Step Solution

1. Step 1: Write the proportion equation
   38,667.46 : 53,364.84 = 21,674.59 : x
2. Step 2: Convert to fraction form
   38,667.46/53,364.84 = 21,674.59/x
3. Step 3: Cross multiply
   38,667.46x = 53,364.84 × 21,674.59
4. Step 4: Simplify right side
   38,667.46x = 1,156,661,027.42
5. Step 5: Solve for x
   x = 1,156,661,027.42/38,667.46
6. Step 6: Final answer
   x = 29,913.03