Finding the Fourth Proportional to 94,764.78, 142,138.94 and 38,610.81

Step by Step Solution

1. Step 1: Write the proportion equation
   94,764.78 : 142,138.94 = 38,610.81 : x
2. Step 2: Convert to fraction form
   94,764.78/142,138.94 = 38,610.81/x
3. Step 3: Cross multiply
   94,764.78x = 142,138.94 × 38,610.81
4. Step 4: Simplify right side
   94,764.78x = 5,488,099,412.89
5. Step 5: Solve for x
   x = 5,488,099,412.89/94,764.78
6. Step 6: Final answer
   x = 57,912.86