Finding the Fourth Proportional to 45,667.84, 68,501.82 and 12,387.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,667.84 : 68,501.82 = 12,387.88 : x
2. Step 2: Convert to fraction form
   45,667.84/68,501.82 = 12,387.88/x
3. Step 3: Cross multiply
   45,667.84x = 68,501.82 × 12,387.88
4. Step 4: Simplify right side
   45,667.84x = 848,592,325.94
5. Step 5: Solve for x
   x = 848,592,325.94/45,667.84
6. Step 6: Final answer
   x = 18,581.84