Finding the Fourth Proportional to 78,349.86, 108,211.82 and 52,812.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,349.86 : 108,211.82 = 52,812.18 : x
2. Step 2: Convert to fraction form
   78,349.86/108,211.82 = 52,812.18/x
3. Step 3: Cross multiply
   78,349.86x = 108,211.82 × 52,812.18
4. Step 4: Simplify right side
   78,349.86x = 5,714,901,706.94
5. Step 5: Solve for x
   x = 5,714,901,706.94/78,349.86
6. Step 6: Final answer
   x = 72,940.81