Finding the Fourth Proportional to 71,215,020.37, 106,807,583.59 and 20,085,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   71,215,020.37 : 106,807,583.59 = 20,085,081.76 : x
2. Step 2: Convert to fraction form
   71,215,020.37/106,807,583.59 = 20,085,081.76/x
3. Step 3: Cross multiply
   71,215,020.37x = 106,807,583.59 × 20,085,081.76
4. Step 4: Simplify right side
   71,215,020.37x = 2,145,239,048,993,184.50
5. Step 5: Solve for x
   x = 2,145,239,048,993,184.50/71,215,020.37
6. Step 6: Final answer
   x = 30,123,407.08