Finding the Fourth Proportional to 77,076.78, 106,363.71 and 43,085.33

Step by Step Solution

1. Step 1: Write the proportion equation
   77,076.78 : 106,363.71 = 43,085.33 : x
2. Step 2: Convert to fraction form
   77,076.78/106,363.71 = 43,085.33/x
3. Step 3: Cross multiply
   77,076.78x = 106,363.71 × 43,085.33
4. Step 4: Simplify right side
   77,076.78x = 4,582,715,412.42
5. Step 5: Solve for x
   x = 4,582,715,412.42/77,076.78
6. Step 6: Final answer
   x = 59,456.50