Finding the Fourth Proportional to 78,369.21, 108,182.61 and 52,910.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,369.21 : 108,182.61 = 52,910.06 : x
2. Step 2: Convert to fraction form
   78,369.21/108,182.61 = 52,910.06/x
3. Step 3: Cross multiply
   78,369.21x = 108,182.61 × 52,910.06
4. Step 4: Simplify right side
   78,369.21x = 5,723,947,845.14
5. Step 5: Solve for x
   x = 5,723,947,845.14/78,369.21
6. Step 6: Final answer
   x = 73,038.22