Finding the Fourth Proportional to 175,774.34, 263,667.99 and 90,362.30

Step by Step Solution

1. Step 1: Write the proportion equation
   175,774.34 : 263,667.99 = 90,362.30 : x
2. Step 2: Convert to fraction form
   175,774.34/263,667.99 = 90,362.30/x
3. Step 3: Cross multiply
   175,774.34x = 263,667.99 × 90,362.30
4. Step 4: Simplify right side
   175,774.34x = 23,825,646,446.04
5. Step 5: Solve for x
   x = 23,825,646,446.04/175,774.34
6. Step 6: Final answer
   x = 135,546.79