Finding the Fourth Proportional to 101,315.34, 139,814.37 and 55,996.38

Step by Step Solution

1. Step 1: Write the proportion equation
   101,315.34 : 139,814.37 = 55,996.38 : x
2. Step 2: Convert to fraction form
   101,315.34/139,814.37 = 55,996.38/x
3. Step 3: Cross multiply
   101,315.34x = 139,814.37 × 55,996.38
4. Step 4: Simplify right side
   101,315.34x = 7,829,098,591.98
5. Step 5: Solve for x
   x = 7,829,098,591.98/101,315.34
6. Step 6: Final answer
   x = 77,274.56