Finding the Fourth Proportional to 109,810.10, 164,715.15 and 109,810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,810.10 : 164,715.15 = 109,810.10 : x
2. Step 2: Convert to fraction form
   109,810.10/164,715.15 = 109,810.10/x
3. Step 3: Cross multiply
   109,810.10x = 164,715.15 × 109,810.10
4. Step 4: Simplify right side
   109,810.10x = 18,087,387,093.02
5. Step 5: Solve for x
   x = 18,087,387,093.02/109,810.10
6. Step 6: Final answer
   x = 164,715.15