Finding the Fourth Proportional to 250,802.01, 376,279.55 and 80,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   250,802.01 : 376,279.55 = 80,019.18 : x
2. Step 2: Convert to fraction form
   250,802.01/376,279.55 = 80,019.18/x
3. Step 3: Cross multiply
   250,802.01x = 376,279.55 × 80,019.18
4. Step 4: Simplify right side
   250,802.01x = 30,109,581,041.77
5. Step 5: Solve for x
   x = 30,109,581,041.77/250,802.01
6. Step 6: Final answer
   x = 120,053.19