Finding the Fourth Proportional to 89,068.24, 123,150.48 and 77,858.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,068.24 : 123,150.48 = 77,858.08 : x
2. Step 2: Convert to fraction form
   89,068.24/123,150.48 = 77,858.08/x
3. Step 3: Cross multiply
   89,068.24x = 123,150.48 × 77,858.08
4. Step 4: Simplify right side
   89,068.24x = 9,588,259,923.88
5. Step 5: Solve for x
   x = 9,588,259,923.88/89,068.24
6. Step 6: Final answer
   x = 107,650.72