Finding the Fourth Proportional to 110,109.30, 154,256.70 and 110,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,109.30 : 154,256.70 = 110,109.30 : x
2. Step 2: Convert to fraction form
   110,109.30/154,256.70 = 110,109.30/x
3. Step 3: Cross multiply
   110,109.30x = 154,256.70 × 110,109.30
4. Step 4: Simplify right side
   110,109.30x = 16,985,097,257.31
5. Step 5: Solve for x
   x = 16,985,097,257.31/110,109.30
6. Step 6: Final answer
   x = 154,256.70