Finding the Fourth Proportional to 78,111.08, 107,794.34 and 43,654.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.08 : 107,794.34 = 43,654.30 : x
2. Step 2: Convert to fraction form
   78,111.08/107,794.34 = 43,654.30/x
3. Step 3: Cross multiply
   78,111.08x = 107,794.34 × 43,654.30
4. Step 4: Simplify right side
   78,111.08x = 4,705,686,132.61
5. Step 5: Solve for x
   x = 4,705,686,132.61/78,111.08
6. Step 6: Final answer
   x = 60,243.52