Finding the Fourth Proportional to 114,471.78, 157,974.29 and 69,157.89

Step by Step Solution

1. Step 1: Write the proportion equation
   114,471.78 : 157,974.29 = 69,157.89 : x
2. Step 2: Convert to fraction form
   114,471.78/157,974.29 = 69,157.89/x
3. Step 3: Cross multiply
   114,471.78x = 157,974.29 × 69,157.89
4. Step 4: Simplify right side
   114,471.78x = 10,925,168,224.86
5. Step 5: Solve for x
   x = 10,925,168,224.86/114,471.78
6. Step 6: Final answer
   x = 95,439.84