Finding the Fourth Proportional to 78,978.34, 108,987.14 and 43,168.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,978.34 : 108,987.14 = 43,168.06 : x
2. Step 2: Convert to fraction form
   78,978.34/108,987.14 = 43,168.06/x
3. Step 3: Cross multiply
   78,978.34x = 108,987.14 × 43,168.06
4. Step 4: Simplify right side
   78,978.34x = 4,704,763,398.75
5. Step 5: Solve for x
   x = 4,704,763,398.75/78,978.34
6. Step 6: Final answer
   x = 59,570.30