Finding the Fourth Proportional to 147,781.34, 221,703.12 and 47,933.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,781.34 : 221,703.12 = 47,933.72 : x
2. Step 2: Convert to fraction form
   147,781.34/221,703.12 = 47,933.72/x
3. Step 3: Cross multiply
   147,781.34x = 221,703.12 × 47,933.72
4. Step 4: Simplify right side
   147,781.34x = 10,627,054,168.69
5. Step 5: Solve for x
   x = 10,627,054,168.69/147,781.34
6. Step 6: Final answer
   x = 71,910.67