Finding the Fourth Proportional to 90,071.76, 135,095.48 and 23,516.56

Step by Step Solution

1. Step 1: Write the proportion equation
   90,071.76 : 135,095.48 = 23,516.56 : x
2. Step 2: Convert to fraction form
   90,071.76/135,095.48 = 23,516.56/x
3. Step 3: Cross multiply
   90,071.76x = 135,095.48 × 23,516.56
4. Step 4: Simplify right side
   90,071.76x = 3,176,980,961.15
5. Step 5: Solve for x
   x = 3,176,980,961.15/90,071.76
6. Step 6: Final answer
   x = 35,271.67