Finding the Fourth Proportional to 89,718.78, 123,801.12 and 51,476.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,718.78 : 123,801.12 = 51,476.22 : x
2. Step 2: Convert to fraction form
   89,718.78/123,801.12 = 51,476.22/x
3. Step 3: Cross multiply
   89,718.78x = 123,801.12 × 51,476.22
4. Step 4: Simplify right side
   89,718.78x = 6,372,813,689.37
5. Step 5: Solve for x
   x = 6,372,813,689.37/89,718.78
6. Step 6: Final answer
   x = 71,030.99