Finding the Fourth Proportional to 47,389,429.02, 71,086,899.18 and 13,313,432.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,389,429.02 : 71,086,899.18 = 13,313,432.10 : x
2. Step 2: Convert to fraction form
   47,389,429.02/71,086,899.18 = 13,313,432.10/x
3. Step 3: Cross multiply
   47,389,429.02x = 71,086,899.18 × 13,313,432.10
4. Step 4: Simplify right side
   47,389,429.02x = 946,410,605,432,475.75
5. Step 5: Solve for x
   x = 946,410,605,432,475.75/47,389,429.02
6. Step 6: Final answer
   x = 19,970,922.31