Finding the Fourth Proportional to 99,819.34, 149,750.52 and 28,741.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,819.34 : 149,750.52 = 28,741.48 : x
2. Step 2: Convert to fraction form
   99,819.34/149,750.52 = 28,741.48/x
3. Step 3: Cross multiply
   99,819.34x = 149,750.52 × 28,741.48
4. Step 4: Simplify right side
   99,819.34x = 4,304,052,097.43
5. Step 5: Solve for x
   x = 4,304,052,097.43/99,819.34
6. Step 6: Final answer
   x = 43,118.42