Finding the Fourth Proportional to 61,678.71, 85,118.18 and 37,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   61,678.71 : 85,118.18 = 37,818.54 : x
2. Step 2: Convert to fraction form
   61,678.71/85,118.18 = 37,818.54/x
3. Step 3: Cross multiply
   61,678.71x = 85,118.18 × 37,818.54
4. Step 4: Simplify right side
   61,678.71x = 3,219,045,105.96
5. Step 5: Solve for x
   x = 3,219,045,105.96/61,678.71
6. Step 6: Final answer
   x = 52,190.54