Finding the Fourth Proportional to 99,408.48, 149,107.86 and 37,074.12

Step by Step Solution

1. Step 1: Write the proportion equation
   99,408.48 : 149,107.86 = 37,074.12 : x
2. Step 2: Convert to fraction form
   99,408.48/149,107.86 = 37,074.12/x
3. Step 3: Cross multiply
   99,408.48x = 149,107.86 × 37,074.12
4. Step 4: Simplify right side
   99,408.48x = 5,528,042,694.58
5. Step 5: Solve for x
   x = 5,528,042,694.58/99,408.48
6. Step 6: Final answer
   x = 55,609.37