Finding the Fourth Proportional to 109,645.31, 164,468.27 and 26,539.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,645.31 : 164,468.27 = 26,539.31 : x
2. Step 2: Convert to fraction form
   109,645.31/164,468.27 = 26,539.31/x
3. Step 3: Cross multiply
   109,645.31x = 164,468.27 × 26,539.31
4. Step 4: Simplify right side
   109,645.31x = 4,364,874,880.21
5. Step 5: Solve for x
   x = 4,364,874,880.21/109,645.31
6. Step 6: Final answer
   x = 39,809.04