Finding the Fourth Proportional to 119,178.72, 178,758.72 and 52,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   119,178.72 : 178,758.72 = 52,620.48 : x
2. Step 2: Convert to fraction form
   119,178.72/178,758.72 = 52,620.48/x
3. Step 3: Cross multiply
   119,178.72x = 178,758.72 × 52,620.48
4. Step 4: Simplify right side
   119,178.72x = 9,406,369,650.59
5. Step 5: Solve for x
   x = 9,406,369,650.59/119,178.72
6. Step 6: Final answer
   x = 78,926.59