Finding the Fourth Proportional to 144,499.07, 199,399.52 and 79,074.63

Step by Step Solution

1. Step 1: Write the proportion equation
   144,499.07 : 199,399.52 = 79,074.63 : x
2. Step 2: Convert to fraction form
   144,499.07/199,399.52 = 79,074.63/x
3. Step 3: Cross multiply
   144,499.07x = 199,399.52 × 79,074.63
4. Step 4: Simplify right side
   144,499.07x = 15,767,443,463.86
5. Step 5: Solve for x
   x = 15,767,443,463.86/144,499.07
6. Step 6: Final answer
   x = 109,117.96