Finding the Fourth Proportional to 148,111.13, 222,124.28 and 48,280.05

Step by Step Solution

1. Step 1: Write the proportion equation
   148,111.13 : 222,124.28 = 48,280.05 : x
2. Step 2: Convert to fraction form
   148,111.13/222,124.28 = 48,280.05/x
3. Step 3: Cross multiply
   148,111.13x = 222,124.28 × 48,280.05
4. Step 4: Simplify right side
   148,111.13x = 10,724,171,103.21
5. Step 5: Solve for x
   x = 10,724,171,103.21/148,111.13
6. Step 6: Final answer
   x = 72,406.25