Finding the Fourth Proportional to 90,085.83, 135,023.21 and 36,744.52

Step by Step Solution

1. Step 1: Write the proportion equation
   90,085.83 : 135,023.21 = 36,744.52 : x
2. Step 2: Convert to fraction form
   90,085.83/135,023.21 = 36,744.52/x
3. Step 3: Cross multiply
   90,085.83x = 135,023.21 × 36,744.52
4. Step 4: Simplify right side
   90,085.83x = 4,961,363,040.31
5. Step 5: Solve for x
   x = 4,961,363,040.31/90,085.83
6. Step 6: Final answer
   x = 55,073.73