Finding the Fourth Proportional to 31,566.93, 47,345.22 and 12,846.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,566.93 : 47,345.22 = 12,846.21 : x
2. Step 2: Convert to fraction form
   31,566.93/47,345.22 = 12,846.21/x
3. Step 3: Cross multiply
   31,566.93x = 47,345.22 × 12,846.21
4. Step 4: Simplify right side
   31,566.93x = 608,206,401.89
5. Step 5: Solve for x
   x = 608,206,401.89/31,566.93
6. Step 6: Final answer
   x = 19,267.20