Finding the Fourth Proportional to 276,613.59, 381,707.06 and 155,761.59

Step by Step Solution

1. Step 1: Write the proportion equation
   276,613.59 : 381,707.06 = 155,761.59 : x
2. Step 2: Convert to fraction form
   276,613.59/381,707.06 = 155,761.59/x
3. Step 3: Cross multiply
   276,613.59x = 381,707.06 × 155,761.59
4. Step 4: Simplify right side
   276,613.59x = 59,455,297,801.02
5. Step 5: Solve for x
   x = 59,455,297,801.02/276,613.59
6. Step 6: Final answer
   x = 214,939.90