Finding the Fourth Proportional to 165,714.50, 228,686.01 and 90,263

Step by Step Solution

1. Step 1: Write the proportion equation
   165,714.50 : 228,686.01 = 90,263 : x
2. Step 2: Convert to fraction form
   165,714.50/228,686.01 = 90,263/x
3. Step 3: Cross multiply
   165,714.50x = 228,686.01 × 90,263
4. Step 4: Simplify right side
   165,714.50x = 20,641,885,320.63
5. Step 5: Solve for x
   x = 20,641,885,320.63/165,714.50
6. Step 6: Final answer
   x = 124,562.94