Finding the Fourth Proportional to 104,126.32, 143,586.92 and 89,068.82

Step by Step Solution

1. Step 1: Write the proportion equation
   104,126.32 : 143,586.92 = 89,068.82 : x
2. Step 2: Convert to fraction form
   104,126.32/143,586.92 = 89,068.82/x
3. Step 3: Cross multiply
   104,126.32x = 143,586.92 × 89,068.82
4. Step 4: Simplify right side
   104,126.32x = 12,789,117,531.83
5. Step 5: Solve for x
   x = 12,789,117,531.83/104,126.32
6. Step 6: Final answer
   x = 122,823.10