Finding the Fourth Proportional to 83,155.78, 114,722.41 and 51,269.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,155.78 : 114,722.41 = 51,269.32 : x
2. Step 2: Convert to fraction form
   83,155.78/114,722.41 = 51,269.32/x
3. Step 3: Cross multiply
   83,155.78x = 114,722.41 × 51,269.32
4. Step 4: Simplify right side
   83,155.78x = 5,881,739,119.50
5. Step 5: Solve for x
   x = 5,881,739,119.50/83,155.78
6. Step 6: Final answer
   x = 70,731.58