Finding the Fourth Proportional to 84,379.50, 116,443.82 and 46,139.21

Step by Step Solution

1. Step 1: Write the proportion equation
   84,379.50 : 116,443.82 = 46,139.21 : x
2. Step 2: Convert to fraction form
   84,379.50/116,443.82 = 46,139.21/x
3. Step 3: Cross multiply
   84,379.50x = 116,443.82 × 46,139.21
4. Step 4: Simplify right side
   84,379.50x = 5,372,625,783.77
5. Step 5: Solve for x
   x = 5,372,625,783.77/84,379.50
6. Step 6: Final answer
   x = 63,672.17