Finding the Fourth Proportional to 65,099.23, 89,676.25 and 55,507.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,099.23 : 89,676.25 = 55,507.88 : x
2. Step 2: Convert to fraction form
   65,099.23/89,676.25 = 55,507.88/x
3. Step 3: Cross multiply
   65,099.23x = 89,676.25 × 55,507.88
4. Step 4: Simplify right side
   65,099.23x = 4,977,738,609.27
5. Step 5: Solve for x
   x = 4,977,738,609.27/65,099.23
6. Step 6: Final answer
   x = 76,463.87