Finding the Fourth Proportional to 78,417.32, 117,559.86 and 34,010.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,417.32 : 117,559.86 = 34,010.63 : x
2. Step 2: Convert to fraction form
   78,417.32/117,559.86 = 34,010.63/x
3. Step 3: Cross multiply
   78,417.32x = 117,559.86 × 34,010.63
4. Step 4: Simplify right side
   78,417.32x = 3,998,284,626.82
5. Step 5: Solve for x
   x = 3,998,284,626.82/78,417.32
6. Step 6: Final answer
   x = 50,987.27