Finding the Fourth Proportional to 56,759.49, 78,318.72 and 34,403.49

Step by Step Solution

1. Step 1: Write the proportion equation
   56,759.49 : 78,318.72 = 34,403.49 : x
2. Step 2: Convert to fraction form
   56,759.49/78,318.72 = 34,403.49/x
3. Step 3: Cross multiply
   56,759.49x = 78,318.72 × 34,403.49
4. Step 4: Simplify right side
   56,759.49x = 2,694,437,300.33
5. Step 5: Solve for x
   x = 2,694,437,300.33/56,759.49
6. Step 6: Final answer
   x = 47,471.13