Finding the Fourth Proportional to 65,770.72, 98,656.80 and 52,606.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,770.72 : 98,656.80 = 52,606.24 : x
2. Step 2: Convert to fraction form
   65,770.72/98,656.80 = 52,606.24/x
3. Step 3: Cross multiply
   65,770.72x = 98,656.80 × 52,606.24
4. Step 4: Simplify right side
   65,770.72x = 5,189,963,298.43
5. Step 5: Solve for x
   x = 5,189,963,298.43/65,770.72
6. Step 6: Final answer
   x = 78,909.94