Finding the Fourth Proportional to 78,929.06, 118,389.72 and 29,005.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,929.06 : 118,389.72 = 29,005.31 : x
2. Step 2: Convert to fraction form
   78,929.06/118,389.72 = 29,005.31/x
3. Step 3: Cross multiply
   78,929.06x = 118,389.72 × 29,005.31
4. Step 4: Simplify right side
   78,929.06x = 3,433,929,937.46
5. Step 5: Solve for x
   x = 3,433,929,937.46/78,929.06
6. Step 6: Final answer
   x = 43,506.54