Finding the Fourth Proportional to 78,464, 117,748.92 and 29,216

Step by Step Solution

1. Step 1: Write the proportion equation
   78,464 : 117,748.92 = 29,216 : x
2. Step 2: Convert to fraction form
   78,464/117,748.92 = 29,216/x
3. Step 3: Cross multiply
   78,464x = 117,748.92 × 29,216
4. Step 4: Simplify right side
   78,464x = 3,440,152,446.72
5. Step 5: Solve for x
   x = 3,440,152,446.72/78,464
6. Step 6: Final answer
   x = 43,843.70