Finding the Fourth Proportional to 101,136.29, 139,567.94 and 55,814.27

Step by Step Solution

1. Step 1: Write the proportion equation
   101,136.29 : 139,567.94 = 55,814.27 : x
2. Step 2: Convert to fraction form
   101,136.29/139,567.94 = 55,814.27/x
3. Step 3: Cross multiply
   101,136.29x = 139,567.94 × 55,814.27
4. Step 4: Simplify right side
   101,136.29x = 7,789,881,761.92
5. Step 5: Solve for x
   x = 7,789,881,761.92/101,136.29
6. Step 6: Final answer
   x = 77,023.61