Finding the Fourth Proportional to 72,823,016.99, 109,234,596.87 and 20,298,590.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,823,016.99 : 109,234,596.87 = 20,298,590.08 : x
2. Step 2: Convert to fraction form
   72,823,016.99/109,234,596.87 = 20,298,590.08/x
3. Step 3: Cross multiply
   72,823,016.99x = 109,234,596.87 × 20,298,590.08
4. Step 4: Simplify right side
   72,823,016.99x = 2,217,308,304,145,094.75
5. Step 5: Solve for x
   x = 2,217,308,304,145,094.75/72,823,016.99
6. Step 6: Final answer
   x = 30,447,905.01