Finding the Fourth Proportional to 65,856.24, 90,881.76 and 37,561.20

Step by Step Solution

1. Step 1: Write the proportion equation
   65,856.24 : 90,881.76 = 37,561.20 : x
2. Step 2: Convert to fraction form
   65,856.24/90,881.76 = 37,561.20/x
3. Step 3: Cross multiply
   65,856.24x = 90,881.76 × 37,561.20
4. Step 4: Simplify right side
   65,856.24x = 3,413,627,963.71
5. Step 5: Solve for x
   x = 3,413,627,963.71/65,856.24
6. Step 6: Final answer
   x = 51,834.54