Finding the Fourth Proportional to 87,010.56, 120,072.24 and 49,296.96

Step by Step Solution

1. Step 1: Write the proportion equation
   87,010.56 : 120,072.24 = 49,296.96 : x
2. Step 2: Convert to fraction form
   87,010.56/120,072.24 = 49,296.96/x
3. Step 3: Cross multiply
   87,010.56x = 120,072.24 × 49,296.96
4. Step 4: Simplify right side
   87,010.56x = 5,919,196,412.39
5. Step 5: Solve for x
   x = 5,919,196,412.39/87,010.56
6. Step 6: Final answer
   x = 68,028.48