Finding the Fourth Proportional to 56,620.79, 78,134.71 and 36,478.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,620.79 : 78,134.71 = 36,478.52 : x
2. Step 2: Convert to fraction form
   56,620.79/78,134.71 = 36,478.52/x
3. Step 3: Cross multiply
   56,620.79x = 78,134.71 × 36,478.52
4. Step 4: Simplify right side
   56,620.79x = 2,850,238,581.43
5. Step 5: Solve for x
   x = 2,850,238,581.43/56,620.79
6. Step 6: Final answer
   x = 50,339.08