Finding the Fourth Proportional to 148,468.80, 222,375.15 and 78,266.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,468.80 : 222,375.15 = 78,266.10 : x
2. Step 2: Convert to fraction form
   148,468.80/222,375.15 = 78,266.10/x
3. Step 3: Cross multiply
   148,468.80x = 222,375.15 × 78,266.10
4. Step 4: Simplify right side
   148,468.80x = 17,404,435,727.42
5. Step 5: Solve for x
   x = 17,404,435,727.42/148,468.80
6. Step 6: Final answer
   x = 117,226.22