Finding the Fourth Proportional to 148,399.38, 222,672.15 and 69,499.98

Step by Step Solution

1. Step 1: Write the proportion equation
   148,399.38 : 222,672.15 = 69,499.98 : x
2. Step 2: Convert to fraction form
   148,399.38/222,672.15 = 69,499.98/x
3. Step 3: Cross multiply
   148,399.38x = 222,672.15 × 69,499.98
4. Step 4: Simplify right side
   148,399.38x = 15,475,709,971.56
5. Step 5: Solve for x
   x = 15,475,709,971.56/148,399.38
6. Step 6: Final answer
   x = 104,284.20