Finding the Fourth Proportional to 189,913.16, 284,738.52 and 83,245.88

Step by Step Solution

1. Step 1: Write the proportion equation
   189,913.16 : 284,738.52 = 83,245.88 : x
2. Step 2: Convert to fraction form
   189,913.16/284,738.52 = 83,245.88/x
3. Step 3: Cross multiply
   189,913.16x = 284,738.52 × 83,245.88
4. Step 4: Simplify right side
   189,913.16x = 23,703,308,667.30
5. Step 5: Solve for x
   x = 23,703,308,667.30/189,913.16
6. Step 6: Final answer
   x = 124,811.30