Finding the Fourth Proportional to 65,401.57, 90,251.44 and 37,108.81

Step by Step Solution

1. Step 1: Write the proportion equation
   65,401.57 : 90,251.44 = 37,108.81 : x
2. Step 2: Convert to fraction form
   65,401.57/90,251.44 = 37,108.81/x
3. Step 3: Cross multiply
   65,401.57x = 90,251.44 × 37,108.81
4. Step 4: Simplify right side
   65,401.57x = 3,349,123,539.19
5. Step 5: Solve for x
   x = 3,349,123,539.19/65,401.57
6. Step 6: Final answer
   x = 51,208.61