Finding the Fourth Proportional to 113,820.90, 170,828.55 and 50,738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,820.90 : 170,828.55 = 50,738.10 : x
2. Step 2: Convert to fraction form
   113,820.90/170,828.55 = 50,738.10/x
3. Step 3: Cross multiply
   113,820.90x = 170,828.55 × 50,738.10
4. Step 4: Simplify right side
   113,820.90x = 8,667,516,052.76
5. Step 5: Solve for x
   x = 8,667,516,052.76/113,820.90
6. Step 6: Final answer
   x = 76,150.48