Finding the Fourth Proportional to 104,374.48, 144,139.04 and 72,191.52

Step by Step Solution

1. Step 1: Write the proportion equation
   104,374.48 : 144,139.04 = 72,191.52 : x
2. Step 2: Convert to fraction form
   104,374.48/144,139.04 = 72,191.52/x
3. Step 3: Cross multiply
   104,374.48x = 144,139.04 × 72,191.52
4. Step 4: Simplify right side
   104,374.48x = 10,405,616,388.94
5. Step 5: Solve for x
   x = 10,405,616,388.94/104,374.48
6. Step 6: Final answer
   x = 99,695.02