Finding the Fourth Proportional to 92,748.86, 139,015.83 and 42,723.98

Step by Step Solution

1. Step 1: Write the proportion equation
   92,748.86 : 139,015.83 = 42,723.98 : x
2. Step 2: Convert to fraction form
   92,748.86/139,015.83 = 42,723.98/x
3. Step 3: Cross multiply
   92,748.86x = 139,015.83 × 42,723.98
4. Step 4: Simplify right side
   92,748.86x = 5,939,309,540.60
5. Step 5: Solve for x
   x = 5,939,309,540.60/92,748.86
6. Step 6: Final answer
   x = 64,036.47