Finding the Fourth Proportional to 81,979,019.96, 122,990,065.83 and 29,461,993.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,979,019.96 : 122,990,065.83 = 29,461,993.02 : x
2. Step 2: Convert to fraction form
   81,979,019.96/122,990,065.83 = 29,461,993.02/x
3. Step 3: Cross multiply
   81,979,019.96x = 122,990,065.83 × 29,461,993.02
4. Step 4: Simplify right side
   81,979,019.96x = 3,623,532,461,012,800.50
5. Step 5: Solve for x
   x = 3,623,532,461,012,800.50/81,979,019.96
6. Step 6: Final answer
   x = 44,200,729.20