Finding the Fourth Proportional to 149,427.36, 224,469.50 and 90,298.17

Step by Step Solution

1. Step 1: Write the proportion equation
   149,427.36 : 224,469.50 = 90,298.17 : x
2. Step 2: Convert to fraction form
   149,427.36/224,469.50 = 90,298.17/x
3. Step 3: Cross multiply
   149,427.36x = 224,469.50 × 90,298.17
4. Step 4: Simplify right side
   149,427.36x = 20,269,184,619.32
5. Step 5: Solve for x
   x = 20,269,184,619.32/149,427.36
6. Step 6: Final answer
   x = 135,645.74