Finding the Fourth Proportional to 72,749.34, 108,893.16 and 47,730.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,749.34 : 108,893.16 = 47,730.06 : x
2. Step 2: Convert to fraction form
   72,749.34/108,893.16 = 47,730.06/x
3. Step 3: Cross multiply
   72,749.34x = 108,893.16 × 47,730.06
4. Step 4: Simplify right side
   72,749.34x = 5,197,477,060.39
5. Step 5: Solve for x
   x = 5,197,477,060.39/72,749.34
6. Step 6: Final answer
   x = 71,443.63