Finding the Fourth Proportional to 83,072.72, 124,609.06 and 45,869.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,072.72 : 124,609.06 = 45,869.34 : x
2. Step 2: Convert to fraction form
   83,072.72/124,609.06 = 45,869.34/x
3. Step 3: Cross multiply
   83,072.72x = 124,609.06 × 45,869.34
4. Step 4: Simplify right side
   83,072.72x = 5,715,735,340.22
5. Step 5: Solve for x
   x = 5,715,735,340.22/83,072.72
6. Step 6: Final answer
   x = 68,804.00