Finding the Fourth Proportional to 78,371.96, 117,477.52 and 30,967.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,371.96 : 117,477.52 = 30,967.86 : x
2. Step 2: Convert to fraction form
   78,371.96/117,477.52 = 30,967.86/x
3. Step 3: Cross multiply
   78,371.96x = 117,477.52 × 30,967.86
4. Step 4: Simplify right side
   78,371.96x = 3,638,027,315.09
5. Step 5: Solve for x
   x = 3,638,027,315.09/78,371.96
6. Step 6: Final answer
   x = 46,420.01