Finding the Fourth Proportional to 199,713, 275,606.15 and 109,071.64

Step by Step Solution

1. Step 1: Write the proportion equation
   199,713 : 275,606.15 = 109,071.64 : x
2. Step 2: Convert to fraction form
   199,713/275,606.15 = 109,071.64/x
3. Step 3: Cross multiply
   199,713x = 275,606.15 × 109,071.64
4. Step 4: Simplify right side
   199,713x = 30,060,814,774.59
5. Step 5: Solve for x
   x = 30,060,814,774.59/199,713
6. Step 6: Final answer
   x = 150,520.07