Finding the Fourth Proportional to 65,826.72, 90,839.12 and 37,531.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,826.72 : 90,839.12 = 37,531.76 : x
2. Step 2: Convert to fraction form
   65,826.72/90,839.12 = 37,531.76/x
3. Step 3: Cross multiply
   65,826.72x = 90,839.12 × 37,531.76
4. Step 4: Simplify right side
   65,826.72x = 3,409,352,050.45
5. Step 5: Solve for x
   x = 3,409,352,050.45/65,826.72
6. Step 6: Final answer
   x = 51,792.83