Finding the Fourth Proportional to 78,769.56, 118,119.78 and 29,487

Step by Step Solution

1. Step 1: Write the proportion equation
   78,769.56 : 118,119.78 = 29,487 : x
2. Step 2: Convert to fraction form
   78,769.56/118,119.78 = 29,487/x
3. Step 3: Cross multiply
   78,769.56x = 118,119.78 × 29,487
4. Step 4: Simplify right side
   78,769.56x = 3,482,997,952.86
5. Step 5: Solve for x
   x = 3,482,997,952.86/78,769.56
6. Step 6: Final answer
   x = 44,217.56