Finding the Fourth Proportional to 351,667.59, 485,300.61 and 190,527

Step by Step Solution

1. Step 1: Write the proportion equation
   351,667.59 : 485,300.61 = 190,527 : x
2. Step 2: Convert to fraction form
   351,667.59/485,300.61 = 190,527/x
3. Step 3: Cross multiply
   351,667.59x = 485,300.61 × 190,527
4. Step 4: Simplify right side
   351,667.59x = 92,462,869,321.47
5. Step 5: Solve for x
   x = 92,462,869,321.47/351,667.59
6. Step 6: Final answer
   x = 262,926.90