Finding the Fourth Proportional to 191,899.72, 264,821.10 and 107,016.88

Step by Step Solution

1. Step 1: Write the proportion equation
   191,899.72 : 264,821.10 = 107,016.88 : x
2. Step 2: Convert to fraction form
   191,899.72/264,821.10 = 107,016.88/x
3. Step 3: Cross multiply
   191,899.72x = 264,821.10 × 107,016.88
4. Step 4: Simplify right side
   191,899.72x = 28,340,327,880.17
5. Step 5: Solve for x
   x = 28,340,327,880.17/191,899.72
6. Step 6: Final answer
   x = 147,683.01