Finding the Fourth Proportional to 77,081.71, 115,620.76 and 35,528.71

Step by Step Solution

1. Step 1: Write the proportion equation
   77,081.71 : 115,620.76 = 35,528.71 : x
2. Step 2: Convert to fraction form
   77,081.71/115,620.76 = 35,528.71/x
3. Step 3: Cross multiply
   77,081.71x = 115,620.76 × 35,528.71
4. Step 4: Simplify right side
   77,081.71x = 4,107,856,452.02
5. Step 5: Solve for x
   x = 4,107,856,452.02/77,081.71
6. Step 6: Final answer
   x = 53,292.23