Finding the Fourth Proportional to 77,788.41, 116,584.20 and 49,697.61

Step by Step Solution

1. Step 1: Write the proportion equation
   77,788.41 : 116,584.20 = 49,697.61 : x
2. Step 2: Convert to fraction form
   77,788.41/116,584.20 = 49,697.61/x
3. Step 3: Cross multiply
   77,788.41x = 116,584.20 × 49,697.61
4. Step 4: Simplify right side
   77,788.41x = 5,793,956,103.76
5. Step 5: Solve for x
   x = 5,793,956,103.76/77,788.41
6. Step 6: Final answer
   x = 74,483.54