Finding the Fourth Proportional to 89,621.40, 134,448.30 and 37,036.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,621.40 : 134,448.30 = 37,036.20 : x
2. Step 2: Convert to fraction form
   89,621.40/134,448.30 = 37,036.20/x
3. Step 3: Cross multiply
   89,621.40x = 134,448.30 × 37,036.20
4. Step 4: Simplify right side
   89,621.40x = 4,979,454,128.46
5. Step 5: Solve for x
   x = 4,979,454,128.46/89,621.40
6. Step 6: Final answer
   x = 55,560.99