Finding the Fourth Proportional to 130,105.98, 179,447.19 and 111,987.54

Step by Step Solution

1. Step 1: Write the proportion equation
   130,105.98 : 179,447.19 = 111,987.54 : x
2. Step 2: Convert to fraction form
   130,105.98/179,447.19 = 111,987.54/x
3. Step 3: Cross multiply
   130,105.98x = 179,447.19 × 111,987.54
4. Step 4: Simplify right side
   130,105.98x = 20,095,849,368.01
5. Step 5: Solve for x
   x = 20,095,849,368.01/130,105.98
6. Step 6: Final answer
   x = 154,457.54