Finding the Fourth Proportional to 49,561.06, 68,377.61 and 31,666.54

Step by Step Solution

1. Step 1: Write the proportion equation
   49,561.06 : 68,377.61 = 31,666.54 : x
2. Step 2: Convert to fraction form
   49,561.06/68,377.61 = 31,666.54/x
3. Step 3: Cross multiply
   49,561.06x = 68,377.61 × 31,666.54
4. Step 4: Simplify right side
   49,561.06x = 2,165,282,322.17
5. Step 5: Solve for x
   x = 2,165,282,322.17/49,561.06
6. Step 6: Final answer
   x = 43,689.19