Finding the Fourth Proportional to 49,298.50, 68,031.93 and 31,665.22

Step by Step Solution

1. Step 1: Write the proportion equation
   49,298.50 : 68,031.93 = 31,665.22 : x
2. Step 2: Convert to fraction form
   49,298.50/68,031.93 = 31,665.22/x
3. Step 3: Cross multiply
   49,298.50x = 68,031.93 × 31,665.22
4. Step 4: Simplify right side
   49,298.50x = 2,154,246,030.47
5. Step 5: Solve for x
   x = 2,154,246,030.47/49,298.50
6. Step 6: Final answer
   x = 43,698.00