Finding the Fourth Proportional to 55,910.29, 83,865.42 and 38,326.81

Step by Step Solution

1. Step 1: Write the proportion equation
   55,910.29 : 83,865.42 = 38,326.81 : x
2. Step 2: Convert to fraction form
   55,910.29/83,865.42 = 38,326.81/x
3. Step 3: Cross multiply
   55,910.29x = 83,865.42 × 38,326.81
4. Step 4: Simplify right side
   55,910.29x = 3,214,294,017.91
5. Step 5: Solve for x
   x = 3,214,294,017.91/55,910.29
6. Step 6: Final answer
   x = 57,490.20