Finding the Fourth Proportional to 191,987.28, 264,989.88 and 116,598.96

Step by Step Solution

1. Step 1: Write the proportion equation
   191,987.28 : 264,989.88 = 116,598.96 : x
2. Step 2: Convert to fraction form
   191,987.28/264,989.88 = 116,598.96/x
3. Step 3: Cross multiply
   191,987.28x = 264,989.88 × 116,598.96
4. Step 4: Simplify right side
   191,987.28x = 30,897,544,418.52
5. Step 5: Solve for x
   x = 30,897,544,418.52/191,987.28
6. Step 6: Final answer
   x = 160,935.37