Finding the Fourth Proportional to 103,926.45, 143,417.61 and 56,179.38

Step by Step Solution

1. Step 1: Write the proportion equation
   103,926.45 : 143,417.61 = 56,179.38 : x
2. Step 2: Convert to fraction form
   103,926.45/143,417.61 = 56,179.38/x
3. Step 3: Cross multiply
   103,926.45x = 143,417.61 × 56,179.38
4. Step 4: Simplify right side
   103,926.45x = 8,057,112,410.88
5. Step 5: Solve for x
   x = 8,057,112,410.88/103,926.45
6. Step 6: Final answer
   x = 77,527.06