Finding the Fourth Proportional to 89,095.68, 123,114.24 and 84,776.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,095.68 : 123,114.24 = 84,776.96 : x
2. Step 2: Convert to fraction form
   89,095.68/123,114.24 = 84,776.96/x
3. Step 3: Cross multiply
   89,095.68x = 123,114.24 × 84,776.96
4. Step 4: Simplify right side
   89,095.68x = 10,437,250,999.91
5. Step 5: Solve for x
   x = 10,437,250,999.91/89,095.68
6. Step 6: Final answer
   x = 117,146.54