Finding the Fourth Proportional to 147,379.30, 221,105.40 and 47,550.04

Step by Step Solution

1. Step 1: Write the proportion equation
   147,379.30 : 221,105.40 = 47,550.04 : x
2. Step 2: Convert to fraction form
   147,379.30/221,105.40 = 47,550.04/x
3. Step 3: Cross multiply
   147,379.30x = 221,105.40 × 47,550.04
4. Step 4: Simplify right side
   147,379.30x = 10,513,570,614.22
5. Step 5: Solve for x
   x = 10,513,570,614.22/147,379.30
6. Step 6: Final answer
   x = 71,336.82