Finding the Fourth Proportional to 148,018.58, 222,100.77 and 69,121.34

Step by Step Solution

1. Step 1: Write the proportion equation
   148,018.58 : 222,100.77 = 69,121.34 : x
2. Step 2: Convert to fraction form
   148,018.58/222,100.77 = 69,121.34/x
3. Step 3: Cross multiply
   148,018.58x = 222,100.77 × 69,121.34
4. Step 4: Simplify right side
   148,018.58x = 15,351,902,837.43
5. Step 5: Solve for x
   x = 15,351,902,837.43/148,018.58
6. Step 6: Final answer
   x = 103,716.05