Finding the Fourth Proportional to 83,099.10, 124,563.60 and 40,914.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,099.10 : 124,563.60 = 40,914.30 : x
2. Step 2: Convert to fraction form
   83,099.10/124,563.60 = 40,914.30/x
3. Step 3: Cross multiply
   83,099.10x = 124,563.60 × 40,914.30
4. Step 4: Simplify right side
   83,099.10x = 5,096,432,499.48
5. Step 5: Solve for x
   x = 5,096,432,499.48/83,099.10
6. Step 6: Final answer
   x = 61,329.58