Finding the Fourth Proportional to 91,950.78, 137,890.17 and 35,783.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,950.78 : 137,890.17 = 35,783.46 : x
2. Step 2: Convert to fraction form
   91,950.78/137,890.17 = 35,783.46/x
3. Step 3: Cross multiply
   91,950.78x = 137,890.17 × 35,783.46
4. Step 4: Simplify right side
   91,950.78x = 4,934,187,382.59
5. Step 5: Solve for x
   x = 4,934,187,382.59/91,950.78
6. Step 6: Final answer
   x = 53,661.18