Finding the Fourth Proportional to 56,909.48, 78,490.72 and 36,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,909.48 : 78,490.72 = 36,493.48 : x
2. Step 2: Convert to fraction form
   56,909.48/78,490.72 = 36,493.48/x
3. Step 3: Cross multiply
   56,909.48x = 78,490.72 × 36,493.48
4. Step 4: Simplify right side
   56,909.48x = 2,864,399,520.51
5. Step 5: Solve for x
   x = 2,864,399,520.51/56,909.48
6. Step 6: Final answer
   x = 50,332.55