Finding the Fourth Proportional to 65,093.21, 89,667.99 and 55,501.85

Step by Step Solution

1. Step 1: Write the proportion equation
   65,093.21 : 89,667.99 = 55,501.85 : x
2. Step 2: Convert to fraction form
   65,093.21/89,667.99 = 55,501.85/x
3. Step 3: Cross multiply
   65,093.21x = 89,667.99 × 55,501.85
4. Step 4: Simplify right side
   65,093.21x = 4,976,739,330.78
5. Step 5: Solve for x
   x = 4,976,739,330.78/65,093.21
6. Step 6: Final answer
   x = 76,455.58