Finding the Fourth Proportional to 328,483.76, 492,724.72 and 79,165.76

Step by Step Solution

1. Step 1: Write the proportion equation
   328,483.76 : 492,724.72 = 79,165.76 : x
2. Step 2: Convert to fraction form
   328,483.76/492,724.72 = 79,165.76/x
3. Step 3: Cross multiply
   328,483.76x = 492,724.72 × 79,165.76
4. Step 4: Simplify right side
   328,483.76x = 39,006,924,564.92
5. Step 5: Solve for x
   x = 39,006,924,564.92/328,483.76
6. Step 6: Final answer
   x = 118,748.41