Finding the Fourth Proportional to 83,107.56, 114,688.33 and 49,128.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,107.56 : 114,688.33 = 49,128.30 : x
2. Step 2: Convert to fraction form
   83,107.56/114,688.33 = 49,128.30/x
3. Step 3: Cross multiply
   83,107.56x = 114,688.33 × 49,128.30
4. Step 4: Simplify right side
   83,107.56x = 5,634,442,375.53
5. Step 5: Solve for x
   x = 5,634,442,375.53/83,107.56
6. Step 6: Final answer
   x = 67,796.99