Finding the Fourth Proportional to 78,970.41, 108,978.90 and 43,160.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,970.41 : 108,978.90 = 43,160.41 : x
2. Step 2: Convert to fraction form
   78,970.41/108,978.90 = 43,160.41/x
3. Step 3: Cross multiply
   78,970.41x = 108,978.90 × 43,160.41
4. Step 4: Simplify right side
   78,970.41x = 4,703,574,113.25
5. Step 5: Solve for x
   x = 4,703,574,113.25/78,970.41
6. Step 6: Final answer
   x = 59,561.22