Finding the Fourth Proportional to 351,667.54, 485,300.52 and 190,526.62

Step by Step Solution

1. Step 1: Write the proportion equation
   351,667.54 : 485,300.52 = 190,526.62 : x
2. Step 2: Convert to fraction form
   351,667.54/485,300.52 = 190,526.62/x
3. Step 3: Cross multiply
   351,667.54x = 485,300.52 × 190,526.62
4. Step 4: Simplify right side
   351,667.54x = 92,462,667,759.84
5. Step 5: Solve for x
   x = 92,462,667,759.84/351,667.54
6. Step 6: Final answer
   x = 262,926.36