Finding the Fourth Proportional to 56,847.36, 78,462.72 and 35,616

Step by Step Solution

1. Step 1: Write the proportion equation
   56,847.36 : 78,462.72 = 35,616 : x
2. Step 2: Convert to fraction form
   56,847.36/78,462.72 = 35,616/x
3. Step 3: Cross multiply
   56,847.36x = 78,462.72 × 35,616
4. Step 4: Simplify right side
   56,847.36x = 2,794,528,235.52
5. Step 5: Solve for x
   x = 2,794,528,235.52/56,847.36
6. Step 6: Final answer
   x = 49,158.45