Finding the Fourth Proportional to 47,639,442.32, 71,462,579.10 and 19,945,491.31

Step by Step Solution

1. Step 1: Write the proportion equation
   47,639,442.32 : 71,462,579.10 = 19,945,491.31 : x
2. Step 2: Convert to fraction form
   47,639,442.32/71,462,579.10 = 19,945,491.31/x
3. Step 3: Cross multiply
   47,639,442.32x = 71,462,579.10 × 19,945,491.31
4. Step 4: Simplify right side
   47,639,442.32x = 1,425,356,250,443,770.25
5. Step 5: Solve for x
   x = 1,425,356,250,443,770.25/47,639,442.32
6. Step 6: Final answer
   x = 29,919,667.00