Finding the Fourth Proportional to 109,978.02, 164,966.76 and 26,872.02

Step by Step Solution

1. Step 1: Write the proportion equation
   109,978.02 : 164,966.76 = 26,872.02 : x
2. Step 2: Convert to fraction form
   109,978.02/164,966.76 = 26,872.02/x
3. Step 3: Cross multiply
   109,978.02x = 164,966.76 × 26,872.02
4. Step 4: Simplify right side
   109,978.02x = 4,432,990,074.06
5. Step 5: Solve for x
   x = 4,432,990,074.06/109,978.02
6. Step 6: Final answer
   x = 40,307.96