Finding the Fourth Proportional to 144,476, 199,385.72 and 80,818.08

Step by Step Solution

1. Step 1: Write the proportion equation
   144,476 : 199,385.72 = 80,818.08 : x
2. Step 2: Convert to fraction form
   144,476/199,385.72 = 80,818.08/x
3. Step 3: Cross multiply
   144,476x = 199,385.72 × 80,818.08
4. Step 4: Simplify right side
   144,476x = 16,113,971,069.82
5. Step 5: Solve for x
   x = 16,113,971,069.82/144,476
6. Step 6: Final answer
   x = 111,533.90