Finding the Fourth Proportional to 65,408.68, 90,276.42 and 37,117

Step by Step Solution

1. Step 1: Write the proportion equation
   65,408.68 : 90,276.42 = 37,117 : x
2. Step 2: Convert to fraction form
   65,408.68/90,276.42 = 37,117/x
3. Step 3: Cross multiply
   65,408.68x = 90,276.42 × 37,117
4. Step 4: Simplify right side
   65,408.68x = 3,350,789,881.14
5. Step 5: Solve for x
   x = 3,350,789,881.14/65,408.68
6. Step 6: Final answer
   x = 51,228.52