Finding the Fourth Proportional to 200,667.54, 276,926.49 and 113,445.70

Step by Step Solution

1. Step 1: Write the proportion equation
   200,667.54 : 276,926.49 = 113,445.70 : x
2. Step 2: Convert to fraction form
   200,667.54/276,926.49 = 113,445.70/x
3. Step 3: Cross multiply
   200,667.54x = 276,926.49 × 113,445.70
4. Step 4: Simplify right side
   200,667.54x = 31,416,119,506.59
5. Step 5: Solve for x
   x = 31,416,119,506.59/200,667.54
6. Step 6: Final answer
   x = 156,558.05