Finding the Fourth Proportional to 90,949.98, 136,424.01 and 35,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,949.98 : 136,424.01 = 35,545.50 : x
2. Step 2: Convert to fraction form
   90,949.98/136,424.01 = 35,545.50/x
3. Step 3: Cross multiply
   90,949.98x = 136,424.01 × 35,545.50
4. Step 4: Simplify right side
   90,949.98x = 4,849,259,647.46
5. Step 5: Solve for x
   x = 4,849,259,647.46/90,949.98
6. Step 6: Final answer
   x = 53,317.87