Finding the Fourth Proportional to 87,038, 120,112.56 and 49,314.80

Step by Step Solution

1. Step 1: Write the proportion equation
   87,038 : 120,112.56 = 49,314.80 : x
2. Step 2: Convert to fraction form
   87,038/120,112.56 = 49,314.80/x
3. Step 3: Cross multiply
   87,038x = 120,112.56 × 49,314.80
4. Step 4: Simplify right side
   87,038x = 5,923,326,873.89
5. Step 5: Solve for x
   x = 5,923,326,873.89/87,038
6. Step 6: Final answer
   x = 68,054.49