Finding the Fourth Proportional to 493,155.72, 739,733.76 and 119,178.72

Step by Step Solution

1. Step 1: Write the proportion equation
   493,155.72 : 739,733.76 = 119,178.72 : x
2. Step 2: Convert to fraction form
   493,155.72/739,733.76 = 119,178.72/x
3. Step 3: Cross multiply
   493,155.72x = 739,733.76 × 119,178.72
4. Step 4: Simplify right side
   493,155.72x = 88,160,522,657.59
5. Step 5: Solve for x
   x = 88,160,522,657.59/493,155.72
6. Step 6: Final answer
   x = 178,768.12