Finding the Fourth Proportional to 110,569.31, 165,755.76 and 43,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,569.31 : 165,755.76 = 43,085.72 : x
2. Step 2: Convert to fraction form
   110,569.31/165,755.76 = 43,085.72/x
3. Step 3: Cross multiply
   110,569.31x = 165,755.76 × 43,085.72
4. Step 4: Simplify right side
   110,569.31x = 7,141,705,434.97
5. Step 5: Solve for x
   x = 7,141,705,434.97/110,569.31
6. Step 6: Final answer
   x = 64,590.31