Finding the Fourth Proportional to 149,662.53, 224,485.59 and 90,482.31

Step by Step Solution

1. Step 1: Write the proportion equation
   149,662.53 : 224,485.59 = 90,482.31 : x
2. Step 2: Convert to fraction form
   149,662.53/224,485.59 = 90,482.31/x
3. Step 3: Cross multiply
   149,662.53x = 224,485.59 × 90,482.31
4. Step 4: Simplify right side
   149,662.53x = 20,311,973,170.07
5. Step 5: Solve for x
   x = 20,311,973,170.07/149,662.53
6. Step 6: Final answer
   x = 135,718.50