Finding the Fourth Proportional to 65,461, 90,336.36 and 37,171.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,461 : 90,336.36 = 37,171.12 : x
2. Step 2: Convert to fraction form
   65,461/90,336.36 = 37,171.12/x
3. Step 3: Cross multiply
   65,461x = 90,336.36 × 37,171.12
4. Step 4: Simplify right side
   65,461x = 3,357,903,677.92
5. Step 5: Solve for x
   x = 3,357,903,677.92/65,461
6. Step 6: Final answer
   x = 51,296.25