Finding the Fourth Proportional to 65,134.08, 89,935.98 and 50,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   65,134.08 : 89,935.98 = 50,002.80 : x
2. Step 2: Convert to fraction form
   65,134.08/89,935.98 = 50,002.80/x
3. Step 3: Cross multiply
   65,134.08x = 89,935.98 × 50,002.80
4. Step 4: Simplify right side
   65,134.08x = 4,497,050,820.74
5. Step 5: Solve for x
   x = 4,497,050,820.74/65,134.08
6. Step 6: Final answer
   x = 69,042.98