Finding the Fourth Proportional to 99,802.05, 137,727.18 and 54,481.04

Step by Step Solution

1. Step 1: Write the proportion equation
   99,802.05 : 137,727.18 = 54,481.04 : x
2. Step 2: Convert to fraction form
   99,802.05/137,727.18 = 54,481.04/x
3. Step 3: Cross multiply
   99,802.05x = 137,727.18 × 54,481.04
4. Step 4: Simplify right side
   99,802.05x = 7,503,519,314.03
5. Step 5: Solve for x
   x = 7,503,519,314.03/99,802.05
6. Step 6: Final answer
   x = 75,184.02