Finding the Fourth Proportional to 101,359.86, 139,898.81 and 58,942.86

Step by Step Solution

1. Step 1: Write the proportion equation
   101,359.86 : 139,898.81 = 58,942.86 : x
2. Step 2: Convert to fraction form
   101,359.86/139,898.81 = 58,942.86/x
3. Step 3: Cross multiply
   101,359.86x = 139,898.81 × 58,942.86
4. Step 4: Simplify right side
   101,359.86x = 8,246,034,977.79
5. Step 5: Solve for x
   x = 8,246,034,977.79/101,359.86
6. Step 6: Final answer
   x = 81,354.05