Finding the Fourth Proportional to 89,095.37, 133,624.24 and 53,087.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,095.37 : 133,624.24 = 53,087.78 : x
2. Step 2: Convert to fraction form
   89,095.37/133,624.24 = 53,087.78/x
3. Step 3: Cross multiply
   89,095.37x = 133,624.24 × 53,087.78
4. Step 4: Simplify right side
   89,095.37x = 7,093,814,457.13
5. Step 5: Solve for x
   x = 7,093,814,457.13/89,095.37
6. Step 6: Final answer
   x = 79,620.47