Finding the Fourth Proportional to 31,345,762.99, 47,024,293.34 and 12,898,449.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,345,762.99 : 47,024,293.34 = 12,898,449.43 : x
2. Step 2: Convert to fraction form
   31,345,762.99/47,024,293.34 = 12,898,449.43/x
3. Step 3: Cross multiply
   31,345,762.99x = 47,024,293.34 × 12,898,449.43
4. Step 4: Simplify right side
   31,345,762.99x = 606,540,469,627,475.88
5. Step 5: Solve for x
   x = 606,540,469,627,475.88/31,345,762.99
6. Step 6: Final answer
   x = 19,349,998.59