Finding the Fourth Proportional to 83,669,844.10, 125,504,766.15 and 83,669,844.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,669,844.10 : 125,504,766.15 = 83,669,844.10 : x
2. Step 2: Convert to fraction form
   83,669,844.10/125,504,766.15 = 83,669,844.10/x
3. Step 3: Cross multiply
   83,669,844.10x = 125,504,766.15 × 83,669,844.10
4. Step 4: Simplify right side
   83,669,844.10x = 10,500,964,217,577,456
5. Step 5: Solve for x
   x = 10,500,964,217,577,456/83,669,844.10
6. Step 6: Final answer
   x = 125,504,766.15