Finding the Fourth Proportional to 83,849,733.36, 125,800,270.56 and 42,938,138.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,849,733.36 : 125,800,270.56 = 42,938,138.88 : x
2. Step 2: Convert to fraction form
   83,849,733.36/125,800,270.56 = 42,938,138.88/x
3. Step 3: Cross multiply
   83,849,733.36x = 125,800,270.56 × 42,938,138.88
4. Step 4: Simplify right side
   83,849,733.36x = 5,401,629,488,446,856
5. Step 5: Solve for x
   x = 5,401,629,488,446,856/83,849,733.36
6. Step 6: Final answer
   x = 64,420,353.79