Finding the Fourth Proportional to 83,804,916.82, 125,670,728.68 and 42,280,245.31

Step by Step Solution

1. Step 1: Write the proportion equation
   83,804,916.82 : 125,670,728.68 = 42,280,245.31 : x
2. Step 2: Convert to fraction form
   83,804,916.82/125,670,728.68 = 42,280,245.31/x
3. Step 3: Cross multiply
   83,804,916.82x = 125,670,728.68 × 42,280,245.31
4. Step 4: Simplify right side
   83,804,916.82x = 5,313,389,236,876,853
5. Step 5: Solve for x
   x = 5,313,389,236,876,853/83,804,916.82
6. Step 6: Final answer
   x = 63,401,879.49