Finding the Fourth Proportional to 78,970.23, 108,978.69 and 43,160.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,970.23 : 108,978.69 = 43,160.27 : x
2. Step 2: Convert to fraction form
   78,970.23/108,978.69 = 43,160.27/x
3. Step 3: Cross multiply
   78,970.23x = 108,978.69 × 43,160.27
4. Step 4: Simplify right side
   78,970.23x = 4,703,549,139.75
5. Step 5: Solve for x
   x = 4,703,549,139.75/78,970.23
6. Step 6: Final answer
   x = 59,561.04