Finding the Fourth Proportional to 77,697.55, 116,470.72 and 49,529.71

Step by Step Solution

1. Step 1: Write the proportion equation
   77,697.55 : 116,470.72 = 49,529.71 : x
2. Step 2: Convert to fraction form
   77,697.55/116,470.72 = 49,529.71/x
3. Step 3: Cross multiply
   77,697.55x = 116,470.72 × 49,529.71
4. Step 4: Simplify right side
   77,697.55x = 5,768,760,155.09
5. Step 5: Solve for x
   x = 5,768,760,155.09/77,697.55
6. Step 6: Final answer
   x = 74,246.36