Finding the Fourth Proportional to 83,862,150.56, 115,729,530.72 and 47,192,721.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,862,150.56 : 115,729,530.72 = 47,192,721.20 : x
2. Step 2: Convert to fraction form
   83,862,150.56/115,729,530.72 = 47,192,721.20/x
3. Step 3: Cross multiply
   83,862,150.56x = 115,729,530.72 × 47,192,721.20
4. Step 4: Simplify right side
   83,862,150.56x = 5,461,591,477,875,796
5. Step 5: Solve for x
   x = 5,461,591,477,875,796/83,862,150.56
6. Step 6: Final answer
   x = 65,125,821.86