Finding the Fourth Proportional to 99,420.42, 149,084.55 and 37,074.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,420.42 : 149,084.55 = 37,074.18 : x
2. Step 2: Convert to fraction form
   99,420.42/149,084.55 = 37,074.18/x
3. Step 3: Cross multiply
   99,420.42x = 149,084.55 × 37,074.18
4. Step 4: Simplify right side
   99,420.42x = 5,527,187,441.92
5. Step 5: Solve for x
   x = 5,527,187,441.92/99,420.42
6. Step 6: Final answer
   x = 55,594.09