Finding the Fourth Proportional to 78,627.23, 108,505.70 and 42,817.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,627.23 : 108,505.70 = 42,817.39 : x
2. Step 2: Convert to fraction form
   78,627.23/108,505.70 = 42,817.39/x
3. Step 3: Cross multiply
   78,627.23x = 108,505.70 × 42,817.39
4. Step 4: Simplify right side
   78,627.23x = 4,645,930,874.12
5. Step 5: Solve for x
   x = 4,645,930,874.12/78,627.23
6. Step 6: Final answer
   x = 59,088.06