Finding the Fourth Proportional to 90,335.39, 135,492.61 and 23,780.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,335.39 : 135,492.61 = 23,780.72 : x
2. Step 2: Convert to fraction form
   90,335.39/135,492.61 = 23,780.72/x
3. Step 3: Cross multiply
   90,335.39x = 135,492.61 × 23,780.72
4. Step 4: Simplify right side
   90,335.39x = 3,222,111,083.56
5. Step 5: Solve for x
   x = 3,222,111,083.56/90,335.39
6. Step 6: Final answer
   x = 35,668.31