Finding the Fourth Proportional to 109,657.59, 151,462.42 and 79,394.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,657.59 : 151,462.42 = 79,394.98 : x
2. Step 2: Convert to fraction form
   109,657.59/151,462.42 = 79,394.98/x
3. Step 3: Cross multiply
   109,657.59x = 151,462.42 × 79,394.98
4. Step 4: Simplify right side
   109,657.59x = 12,025,355,229.51
5. Step 5: Solve for x
   x = 12,025,355,229.51/109,657.59
6. Step 6: Final answer
   x = 109,662.77