Finding the Fourth Proportional to 83,081.70, 124,622.55 and 83,081.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,081.70 : 124,622.55 = 83,081.70 : x
2. Step 2: Convert to fraction form
   83,081.70/124,622.55 = 83,081.70/x
3. Step 3: Cross multiply
   83,081.70x = 124,622.55 × 83,081.70
4. Step 4: Simplify right side
   83,081.70x = 10,353,853,312.34
5. Step 5: Solve for x
   x = 10,353,853,312.34/83,081.70
6. Step 6: Final answer
   x = 124,622.55