Finding the Fourth Proportional to 90,290.04, 135,411.98 and 37,019.58

Step by Step Solution

1. Step 1: Write the proportion equation
   90,290.04 : 135,411.98 = 37,019.58 : x
2. Step 2: Convert to fraction form
   90,290.04/135,411.98 = 37,019.58/x
3. Step 3: Cross multiply
   90,290.04x = 135,411.98 × 37,019.58
4. Step 4: Simplify right side
   90,290.04x = 5,012,894,441.47
5. Step 5: Solve for x
   x = 5,012,894,441.47/90,290.04
6. Step 6: Final answer
   x = 55,519.90