Finding the Fourth Proportional to 78,267.16, 117,401.86 and 19,103.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,267.16 : 117,401.86 = 19,103.94 : x
2. Step 2: Convert to fraction form
   78,267.16/117,401.86 = 19,103.94/x
3. Step 3: Cross multiply
   78,267.16x = 117,401.86 × 19,103.94
4. Step 4: Simplify right side
   78,267.16x = 2,242,838,089.33
5. Step 5: Solve for x
   x = 2,242,838,089.33/78,267.16
6. Step 6: Final answer
   x = 28,656.18