Finding the Fourth Proportional to 130,196.72, 179,662.97 and 72,826.10

Step by Step Solution

1. Step 1: Write the proportion equation
   130,196.72 : 179,662.97 = 72,826.10 : x
2. Step 2: Convert to fraction form
   130,196.72/179,662.97 = 72,826.10/x
3. Step 3: Cross multiply
   130,196.72x = 179,662.97 × 72,826.10
4. Step 4: Simplify right side
   130,196.72x = 13,084,153,419.52
5. Step 5: Solve for x
   x = 13,084,153,419.52/130,196.72
6. Step 6: Final answer
   x = 100,495.26