Finding the Fourth Proportional to 77,078.74, 115,638.27 and 32,707.30

Step by Step Solution

1. Step 1: Write the proportion equation
   77,078.74 : 115,638.27 = 32,707.30 : x
2. Step 2: Convert to fraction form
   77,078.74/115,638.27 = 32,707.30/x
3. Step 3: Cross multiply
   77,078.74x = 115,638.27 × 32,707.30
4. Step 4: Simplify right side
   77,078.74x = 3,782,215,588.37
5. Step 5: Solve for x
   x = 3,782,215,588.37/77,078.74
6. Step 6: Final answer
   x = 49,069.50