Finding the Fourth Proportional to 78,775.56, 118,128.78 and 29,493

Step by Step Solution

1. Step 1: Write the proportion equation
   78,775.56 : 118,128.78 = 29,493 : x
2. Step 2: Convert to fraction form
   78,775.56/118,128.78 = 29,493/x
3. Step 3: Cross multiply
   78,775.56x = 118,128.78 × 29,493
4. Step 4: Simplify right side
   78,775.56x = 3,483,972,108.54
5. Step 5: Solve for x
   x = 3,483,972,108.54/78,775.56
6. Step 6: Final answer
   x = 44,226.56