Finding the Fourth Proportional to 109,314.78, 150,859.06 and 60,916.76

Step by Step Solution

1. Step 1: Write the proportion equation
   109,314.78 : 150,859.06 = 60,916.76 : x
2. Step 2: Convert to fraction form
   109,314.78/150,859.06 = 60,916.76/x
3. Step 3: Cross multiply
   109,314.78x = 150,859.06 × 60,916.76
4. Step 4: Simplify right side
   109,314.78x = 9,189,845,151.85
5. Step 5: Solve for x
   x = 9,189,845,151.85/109,314.78
6. Step 6: Final answer
   x = 84,067.73