Finding the Fourth Proportional to 47,729,183.31, 71,643,869.57 and 42,299,018.82

Step by Step Solution

1. Step 1: Write the proportion equation
   47,729,183.31 : 71,643,869.57 = 42,299,018.82 : x
2. Step 2: Convert to fraction form
   47,729,183.31/71,643,869.57 = 42,299,018.82/x
3. Step 3: Cross multiply
   47,729,183.31x = 71,643,869.57 × 42,299,018.82
4. Step 4: Simplify right side
   47,729,183.31x = 3,030,465,387,279,055
5. Step 5: Solve for x
   x = 3,030,465,387,279,055/47,729,183.31
6. Step 6: Final answer
   x = 63,492,923.56