Finding the Fourth Proportional to 78,849.27, 108,842.51 and 47,020.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,849.27 : 108,842.51 = 47,020.52 : x
2. Step 2: Convert to fraction form
   78,849.27/108,842.51 = 47,020.52/x
3. Step 3: Cross multiply
   78,849.27x = 108,842.51 × 47,020.52
4. Step 4: Simplify right side
   78,849.27x = 5,117,831,807.96
5. Step 5: Solve for x
   x = 5,117,831,807.96/78,849.27
6. Step 6: Final answer
   x = 64,906.52