Finding the Fourth Proportional to 89,157.84, 123,026.04 and 53,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,157.84 : 123,026.04 = 53,340.72 : x
2. Step 2: Convert to fraction form
   89,157.84/123,026.04 = 53,340.72/x
3. Step 3: Cross multiply
   89,157.84x = 123,026.04 × 53,340.72
4. Step 4: Simplify right side
   89,157.84x = 6,562,297,552.35
5. Step 5: Solve for x
   x = 6,562,297,552.35/89,157.84
6. Step 6: Final answer
   x = 73,603.15