Finding the Fourth Proportional to 92,743.44, 139,099.01 and 42,819.27

Step by Step Solution

1. Step 1: Write the proportion equation
   92,743.44 : 139,099.01 = 42,819.27 : x
2. Step 2: Convert to fraction form
   92,743.44/139,099.01 = 42,819.27/x
3. Step 3: Cross multiply
   92,743.44x = 139,099.01 × 42,819.27
4. Step 4: Simplify right side
   92,743.44x = 5,956,117,851.83
5. Step 5: Solve for x
   x = 5,956,117,851.83/92,743.44
6. Step 6: Final answer
   x = 64,221.45