Finding the Fourth Proportional to 276,531.42, 414,857.61 and 89,561.82

Step by Step Solution

1. Step 1: Write the proportion equation
   276,531.42 : 414,857.61 = 89,561.82 : x
2. Step 2: Convert to fraction form
   276,531.42/414,857.61 = 89,561.82/x
3. Step 3: Cross multiply
   276,531.42x = 414,857.61 × 89,561.82
4. Step 4: Simplify right side
   276,531.42x = 37,155,402,592.45
5. Step 5: Solve for x
   x = 37,155,402,592.45/276,531.42
6. Step 6: Final answer
   x = 134,362.32