Finding the Fourth Proportional to 208,834.00, 288,191.12 and 113,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   208,834.00 : 288,191.12 = 113,340.72 : x
2. Step 2: Convert to fraction form
   208,834.00/288,191.12 = 113,340.72/x
3. Step 3: Cross multiply
   208,834.00x = 288,191.12 × 113,340.72
4. Step 4: Simplify right side
   208,834.00x = 32,663,787,931.34
5. Step 5: Solve for x
   x = 32,663,787,931.34/208,834.00
6. Step 6: Final answer
   x = 156,410.30