Finding the Fourth Proportional to 89,103.68, 123,125.28 and 84,784.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,103.68 : 123,125.28 = 84,784.96 : x
2. Step 2: Convert to fraction form
   89,103.68/123,125.28 = 84,784.96/x
3. Step 3: Cross multiply
   89,103.68x = 123,125.28 × 84,784.96
4. Step 4: Simplify right side
   89,103.68x = 10,439,171,939.79
5. Step 5: Solve for x
   x = 10,439,171,939.79/89,103.68
6. Step 6: Final answer
   x = 117,157.58