Finding the Fourth Proportional to 83,115.56, 114,699.36 and 49,136.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,115.56 : 114,699.36 = 49,136.28 : x
2. Step 2: Convert to fraction form
   83,115.56/114,699.36 = 49,136.28/x
3. Step 3: Cross multiply
   83,115.56x = 114,699.36 × 49,136.28
4. Step 4: Simplify right side
   83,115.56x = 5,635,899,868.78
5. Step 5: Solve for x
   x = 5,635,899,868.78/83,115.56
6. Step 6: Final answer
   x = 67,808.00