Finding the Fourth Proportional to 91,945.71, 137,882.58 and 35,778.39

Step by Step Solution

1. Step 1: Write the proportion equation
   91,945.71 : 137,882.58 = 35,778.39 : x
2. Step 2: Convert to fraction form
   91,945.71/137,882.58 = 35,778.39/x
3. Step 3: Cross multiply
   91,945.71x = 137,882.58 × 35,778.39
4. Step 4: Simplify right side
   91,945.71x = 4,933,216,721.45
5. Step 5: Solve for x
   x = 4,933,216,721.45/91,945.71
6. Step 6: Final answer
   x = 53,653.58