Finding the Fourth Proportional to 90,134.34, 135,191.18 and 23,580.89

Step by Step Solution

1. Step 1: Write the proportion equation
   90,134.34 : 135,191.18 = 23,580.89 : x
2. Step 2: Convert to fraction form
   90,134.34/135,191.18 = 23,580.89/x
3. Step 3: Cross multiply
   90,134.34x = 135,191.18 × 23,580.89
4. Step 4: Simplify right side
   90,134.34x = 3,187,929,039.18
5. Step 5: Solve for x
   x = 3,187,929,039.18/90,134.34
6. Step 6: Final answer
   x = 35,368.64