Finding the Fourth Proportional to 148,255.50, 222,404.99 and 47,019.79

Step by Step Solution

1. Step 1: Write the proportion equation
   148,255.50 : 222,404.99 = 47,019.79 : x
2. Step 2: Convert to fraction form
   148,255.50/222,404.99 = 47,019.79/x
3. Step 3: Cross multiply
   148,255.50x = 222,404.99 × 47,019.79
4. Step 4: Simplify right side
   148,255.50x = 10,457,435,967.66
5. Step 5: Solve for x
   x = 10,457,435,967.66/148,255.50
6. Step 6: Final answer
   x = 70,536.58