Finding the Fourth Proportional to 109,492.17, 164,237.90 and 26,386.17

Step by Step Solution

1. Step 1: Write the proportion equation
   109,492.17 : 164,237.90 = 26,386.17 : x
2. Step 2: Convert to fraction form
   109,492.17/164,237.90 = 26,386.17/x
3. Step 3: Cross multiply
   109,492.17x = 164,237.90 × 26,386.17
4. Step 4: Simplify right side
   109,492.17x = 4,333,609,017.91
5. Step 5: Solve for x
   x = 4,333,609,017.91/109,492.17
6. Step 6: Final answer
   x = 39,579.17