Finding the Fourth Proportional to 78,179.30, 107,892.83 and 47,564.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,179.30 : 107,892.83 = 47,564.34 : x
2. Step 2: Convert to fraction form
   78,179.30/107,892.83 = 47,564.34/x
3. Step 3: Cross multiply
   78,179.30x = 107,892.83 × 47,564.34
4. Step 4: Simplify right side
   78,179.30x = 5,131,851,249.68
5. Step 5: Solve for x
   x = 5,131,851,249.68/78,179.30
6. Step 6: Final answer
   x = 65,642.07