Finding the Fourth Proportional to 148,520.34, 222,665.70 and 48,618.18

Step by Step Solution

1. Step 1: Write the proportion equation
   148,520.34 : 222,665.70 = 48,618.18 : x
2. Step 2: Convert to fraction form
   148,520.34/222,665.70 = 48,618.18/x
3. Step 3: Cross multiply
   148,520.34x = 222,665.70 × 48,618.18
4. Step 4: Simplify right side
   148,520.34x = 10,825,601,082.43
5. Step 5: Solve for x
   x = 10,825,601,082.43/148,520.34
6. Step 6: Final answer
   x = 72,889.69