Finding the Fourth Proportional to 56,758.35, 78,300.18 and 36,621.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,758.35 : 78,300.18 = 36,621.69 : x
2. Step 2: Convert to fraction form
   56,758.35/78,300.18 = 36,621.69/x
3. Step 3: Cross multiply
   56,758.35x = 78,300.18 × 36,621.69
4. Step 4: Simplify right side
   56,758.35x = 2,867,484,918.90
5. Step 5: Solve for x
   x = 2,867,484,918.90/56,758.35
6. Step 6: Final answer
   x = 50,520.94