Finding the Fourth Proportional to 148,553.54, 222,719.49 and 89,375.34

Step by Step Solution

1. Step 1: Write the proportion equation
   148,553.54 : 222,719.49 = 89,375.34 : x
2. Step 2: Convert to fraction form
   148,553.54/222,719.49 = 89,375.34/x
3. Step 3: Cross multiply
   148,553.54x = 222,719.49 × 89,375.34
4. Step 4: Simplify right side
   148,553.54x = 19,905,630,143.38
5. Step 5: Solve for x
   x = 19,905,630,143.38/148,553.54
6. Step 6: Final answer
   x = 133,996.34