Finding the Fourth Proportional to 314,870.82, 434,276.01 and 201,704.10

Step by Step Solution

1. Step 1: Write the proportion equation
   314,870.82 : 434,276.01 = 201,704.10 : x
2. Step 2: Convert to fraction form
   314,870.82/434,276.01 = 201,704.10/x
3. Step 3: Cross multiply
   314,870.82x = 434,276.01 × 201,704.10
4. Step 4: Simplify right side
   314,870.82x = 87,595,251,748.64
5. Step 5: Solve for x
   x = 87,595,251,748.64/314,870.82
6. Step 6: Final answer
   x = 278,194.25