Finding the Fourth Proportional to 77,613.60, 116,323 and 33,188.12

Step by Step Solution

1. Step 1: Write the proportion equation
   77,613.60 : 116,323 = 33,188.12 : x
2. Step 2: Convert to fraction form
   77,613.60/116,323 = 33,188.12/x
3. Step 3: Cross multiply
   77,613.60x = 116,323 × 33,188.12
4. Step 4: Simplify right side
   77,613.60x = 3,860,541,682.76
5. Step 5: Solve for x
   x = 3,860,541,682.76/77,613.60
6. Step 6: Final answer
   x = 49,740.53