Finding the Fourth Proportional to 84,414.50, 116,495.67 and 46,688.78

Step by Step Solution

1. Step 1: Write the proportion equation
   84,414.50 : 116,495.67 = 46,688.78 : x
2. Step 2: Convert to fraction form
   84,414.50/116,495.67 = 46,688.78/x
3. Step 3: Cross multiply
   84,414.50x = 116,495.67 × 46,688.78
4. Step 4: Simplify right side
   84,414.50x = 5,439,040,707.58
5. Step 5: Solve for x
   x = 5,439,040,707.58/84,414.50
6. Step 6: Final answer
   x = 64,432.54