Finding the Fourth Proportional to 65,870.48, 90,892.72 and 37,574.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,870.48 : 90,892.72 = 37,574.48 : x
2. Step 2: Convert to fraction form
   65,870.48/90,892.72 = 37,574.48/x
3. Step 3: Cross multiply
   65,870.48x = 90,892.72 × 37,574.48
4. Step 4: Simplify right side
   65,870.48x = 3,415,246,689.79
5. Step 5: Solve for x
   x = 3,415,246,689.79/65,870.48
6. Step 6: Final answer
   x = 51,847.91