Finding the Fourth Proportional to 65,513.42, 98,286.69 and 28,054.70

Step by Step Solution

1. Step 1: Write the proportion equation
   65,513.42 : 98,286.69 = 28,054.70 : x
2. Step 2: Convert to fraction form
   65,513.42/98,286.69 = 28,054.70/x
3. Step 3: Cross multiply
   65,513.42x = 98,286.69 × 28,054.70
4. Step 4: Simplify right side
   65,513.42x = 2,757,403,601.94
5. Step 5: Solve for x
   x = 2,757,403,601.94/65,513.42
6. Step 6: Final answer
   x = 42,089.14