Finding the Fourth Proportional to 65,749.98, 90,746.34 and 63,562.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,749.98 : 90,746.34 = 63,562.98 : x
2. Step 2: Convert to fraction form
   65,749.98/90,746.34 = 63,562.98/x
3. Step 3: Cross multiply
   65,749.98x = 90,746.34 × 63,562.98
4. Step 4: Simplify right side
   65,749.98x = 5,768,107,794.49
5. Step 5: Solve for x
   x = 5,768,107,794.49/65,749.98
6. Step 6: Final answer
   x = 87,727.90