Finding the Fourth Proportional to 115,955.01, 158,818.86 and 109,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   115,955.01 : 158,818.86 = 109,146.15 : x
2. Step 2: Convert to fraction form
   115,955.01/158,818.86 = 109,146.15/x
3. Step 3: Cross multiply
   115,955.01x = 158,818.86 × 109,146.15
4. Step 4: Simplify right side
   115,955.01x = 17,334,467,116.39
5. Step 5: Solve for x
   x = 17,334,467,116.39/115,955.01
6. Step 6: Final answer
   x = 149,493.04