Finding the Fourth Proportional to 65,542.05, 90,499.98 and 52,755

Step by Step Solution

1. Step 1: Write the proportion equation
   65,542.05 : 90,499.98 = 52,755 : x
2. Step 2: Convert to fraction form
   65,542.05/90,499.98 = 52,755/x
3. Step 3: Cross multiply
   65,542.05x = 90,499.98 × 52,755
4. Step 4: Simplify right side
   65,542.05x = 4,774,326,444.90
5. Step 5: Solve for x
   x = 4,774,326,444.90/65,542.05
6. Step 6: Final answer
   x = 72,843.72