Finding the Fourth Proportional to 87,096.86, 130,613.91 and 30,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   87,096.86 : 130,613.91 = 30,155.30 : x
2. Step 2: Convert to fraction form
   87,096.86/130,613.91 = 30,155.30/x
3. Step 3: Cross multiply
   87,096.86x = 130,613.91 × 30,155.30
4. Step 4: Simplify right side
   87,096.86x = 3,938,701,533.50
5. Step 5: Solve for x
   x = 3,938,701,533.50/87,096.86
6. Step 6: Final answer
   x = 45,222.08