Finding the Fourth Proportional to 77,573.82, 107,019.99 and 49,269.18

Step by Step Solution

1. Step 1: Write the proportion equation
   77,573.82 : 107,019.99 = 49,269.18 : x
2. Step 2: Convert to fraction form
   77,573.82/107,019.99 = 49,269.18/x
3. Step 3: Cross multiply
   77,573.82x = 107,019.99 × 49,269.18
4. Step 4: Simplify right side
   77,573.82x = 5,272,787,150.91
5. Step 5: Solve for x
   x = 5,272,787,150.91/77,573.82
6. Step 6: Final answer
   x = 67,971.22