Finding the Fourth Proportional to 71,215,019.37, 106,807,582.09 and 20,085,080.76

Step by Step Solution

1. Step 1: Write the proportion equation
   71,215,019.37 : 106,807,582.09 = 20,085,080.76 : x
2. Step 2: Convert to fraction form
   71,215,019.37/106,807,582.09 = 20,085,080.76/x
3. Step 3: Cross multiply
   71,215,019.37x = 106,807,582.09 × 20,085,080.76
4. Step 4: Simplify right side
   71,215,019.37x = 2,145,238,912,083,086.25
5. Step 5: Solve for x
   x = 2,145,238,912,083,086.25/71,215,019.37
6. Step 6: Final answer
   x = 30,123,405.58