Finding the Fourth Proportional to 101,158.43, 139,598.65 and 55,836.43

Step by Step Solution

1. Step 1: Write the proportion equation
   101,158.43 : 139,598.65 = 55,836.43 : x
2. Step 2: Convert to fraction form
   101,158.43/139,598.65 = 55,836.43/x
3. Step 3: Cross multiply
   101,158.43x = 139,598.65 × 55,836.43
4. Step 4: Simplify right side
   101,158.43x = 7,794,689,568.29
5. Step 5: Solve for x
   x = 7,794,689,568.29/101,158.43
6. Step 6: Final answer
   x = 77,054.27