Finding the Fourth Proportional to 72,162,458.92, 99,598,660.54 and 42,810,083.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,162,458.92 : 99,598,660.54 = 42,810,083.92 : x
2. Step 2: Convert to fraction form
   72,162,458.92/99,598,660.54 = 42,810,083.92/x
3. Step 3: Cross multiply
   72,162,458.92x = 99,598,660.54 × 42,810,083.92
4. Step 4: Simplify right side
   72,162,458.92x = 4,263,827,016,036,993
5. Step 5: Solve for x
   x = 4,263,827,016,036,993/72,162,458.92
6. Step 6: Final answer
   x = 59,086,498.43