Finding the Fourth Proportional to 276,555.42, 414,893.61 and 89,585.82

Step by Step Solution

1. Step 1: Write the proportion equation
   276,555.42 : 414,893.61 = 89,585.82 : x
2. Step 2: Convert to fraction form
   276,555.42/414,893.61 = 89,585.82/x
3. Step 3: Cross multiply
   276,555.42x = 414,893.61 × 89,585.82
4. Step 4: Simplify right side
   276,555.42x = 37,168,584,264.61
5. Step 5: Solve for x
   x = 37,168,584,264.61/276,555.42
6. Step 6: Final answer
   x = 134,398.32