Finding the Fourth Proportional to 65,411.88, 90,258.82 and 37,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   65,411.88 : 90,258.82 = 37,112.04 : x
2. Step 2: Convert to fraction form
   65,411.88/90,258.82 = 37,112.04/x
3. Step 3: Cross multiply
   65,411.88x = 90,258.82 × 37,112.04
4. Step 4: Simplify right side
   65,411.88x = 3,349,688,938.19
5. Step 5: Solve for x
   x = 3,349,688,938.19/65,411.88
6. Step 6: Final answer
   x = 51,209.18