Finding the Fourth Proportional to 84,150,389.24, 126,303,176.86 and 42,680,370.54

Step by Step Solution

1. Step 1: Write the proportion equation
   84,150,389.24 : 126,303,176.86 = 42,680,370.54 : x
2. Step 2: Convert to fraction form
   84,150,389.24/126,303,176.86 = 42,680,370.54/x
3. Step 3: Cross multiply
   84,150,389.24x = 126,303,176.86 × 42,680,370.54
4. Step 4: Simplify right side
   84,150,389.24x = 5,390,666,388,660,298
5. Step 5: Solve for x
   x = 5,390,666,388,660,298/84,150,389.24
6. Step 6: Final answer
   x = 64,059,910.32