Finding the Fourth Proportional to 89,101.68, 123,122.52 and 84,782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,101.68 : 123,122.52 = 84,782.96 : x
2. Step 2: Convert to fraction form
   89,101.68/123,122.52 = 84,782.96/x
3. Step 3: Cross multiply
   89,101.68x = 123,122.52 × 84,782.96
4. Step 4: Simplify right side
   89,101.68x = 10,438,691,688.26
5. Step 5: Solve for x
   x = 10,438,691,688.26/89,101.68
6. Step 6: Final answer
   x = 117,154.82