Finding the Fourth Proportional to 191,851.18, 264,921.78 and 120,354.10

Step by Step Solution

1. Step 1: Write the proportion equation
   191,851.18 : 264,921.78 = 120,354.10 : x
2. Step 2: Convert to fraction form
   191,851.18/264,921.78 = 120,354.10/x
3. Step 3: Cross multiply
   191,851.18x = 264,921.78 × 120,354.10
4. Step 4: Simplify right side
   191,851.18x = 31,884,422,402.30
5. Step 5: Solve for x
   x = 31,884,422,402.30/191,851.18
6. Step 6: Final answer
   x = 166,193.52