Finding the Fourth Proportional to 65,294, 90,105.72 and 38,798

Step by Step Solution

1. Step 1: Write the proportion equation
   65,294 : 90,105.72 = 38,798 : x
2. Step 2: Convert to fraction form
   65,294/90,105.72 = 38,798/x
3. Step 3: Cross multiply
   65,294x = 90,105.72 × 38,798
4. Step 4: Simplify right side
   65,294x = 3,495,921,724.56
5. Step 5: Solve for x
   x = 3,495,921,724.56/65,294
6. Step 6: Final answer
   x = 53,541.24