Finding the Fourth Proportional to 55,803.57, 83,617.83 and 47,449.23

Step by Step Solution

1. Step 1: Write the proportion equation
   55,803.57 : 83,617.83 = 47,449.23 : x
2. Step 2: Convert to fraction form
   55,803.57/83,617.83 = 47,449.23/x
3. Step 3: Cross multiply
   55,803.57x = 83,617.83 × 47,449.23
4. Step 4: Simplify right side
   55,803.57x = 3,967,601,647.77
5. Step 5: Solve for x
   x = 3,967,601,647.77/55,803.57
6. Step 6: Final answer
   x = 71,099.42