Finding the Fourth Proportional to 65,488.86, 98,233.98 and 52,424.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,488.86 : 98,233.98 = 52,424.28 : x
2. Step 2: Convert to fraction form
   65,488.86/98,233.98 = 52,424.28/x
3. Step 3: Cross multiply
   65,488.86x = 98,233.98 × 52,424.28
4. Step 4: Simplify right side
   65,488.86x = 5,149,845,673.03
5. Step 5: Solve for x
   x = 5,149,845,673.03/65,488.86
6. Step 6: Final answer
   x = 78,636.97