Finding the Fourth Proportional to 82,788,123.36, 114,253,648.56 and 47,989,797.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,788,123.36 : 114,253,648.56 = 47,989,797.60 : x
2. Step 2: Convert to fraction form
   82,788,123.36/114,253,648.56 = 47,989,797.60/x
3. Step 3: Cross multiply
   82,788,123.36x = 114,253,648.56 × 47,989,797.60
4. Step 4: Simplify right side
   82,788,123.36x = 5,483,009,469,455,932
5. Step 5: Solve for x
   x = 5,483,009,469,455,932/82,788,123.36
6. Step 6: Final answer
   x = 66,229,420.92