Finding the Fourth Proportional to 76,326.26, 105,339.94 and 42,792.26

Step by Step Solution

1. Step 1: Write the proportion equation
   76,326.26 : 105,339.94 = 42,792.26 : x
2. Step 2: Convert to fraction form
   76,326.26/105,339.94 = 42,792.26/x
3. Step 3: Cross multiply
   76,326.26x = 105,339.94 × 42,792.26
4. Step 4: Simplify right side
   76,326.26x = 4,507,734,100.86
5. Step 5: Solve for x
   x = 4,507,734,100.86/76,326.26
6. Step 6: Final answer
   x = 59,058.76