Finding the Fourth Proportional to 109,323.47, 163,731.04 and 105,535.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,323.47 : 163,731.04 = 105,535.31 : x
2. Step 2: Convert to fraction form
   109,323.47/163,731.04 = 105,535.31/x
3. Step 3: Cross multiply
   109,323.47x = 163,731.04 × 105,535.31
4. Step 4: Simplify right side
   109,323.47x = 17,279,404,980.53
5. Step 5: Solve for x
   x = 17,279,404,980.53/109,323.47
6. Step 6: Final answer
   x = 158,057.59