Finding the Fourth Proportional to 39,439,223.55, 54,428,944.83 and 21,797,747.00

Step by Step Solution

1. Step 1: Write the proportion equation
   39,439,223.55 : 54,428,944.83 = 21,797,747.00 : x
2. Step 2: Convert to fraction form
   39,439,223.55/54,428,944.83 = 21,797,747.00/x
3. Step 3: Cross multiply
   39,439,223.55x = 54,428,944.83 × 21,797,747.00
4. Step 4: Simplify right side
   39,439,223.55x = 1,186,428,368,711,002.25
5. Step 5: Solve for x
   x = 1,186,428,368,711,002.25/39,439,223.55
6. Step 6: Final answer
   x = 30,082,447.42