Finding the Fourth Proportional to 189,868.86, 262,016.37 and 104,984.10

Step by Step Solution

1. Step 1: Write the proportion equation
   189,868.86 : 262,016.37 = 104,984.10 : x
2. Step 2: Convert to fraction form
   189,868.86/262,016.37 = 104,984.10/x
3. Step 3: Cross multiply
   189,868.86x = 262,016.37 × 104,984.10
4. Step 4: Simplify right side
   189,868.86x = 27,507,552,789.72
5. Step 5: Solve for x
   x = 27,507,552,789.72/189,868.86
6. Step 6: Final answer
   x = 144,876.59