Finding the Fourth Proportional to 58,196.72, 87,300.72 and 23,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,196.72 : 87,300.72 = 23,128.56 : x
2. Step 2: Convert to fraction form
   58,196.72/87,300.72 = 23,128.56/x
3. Step 3: Cross multiply
   58,196.72x = 87,300.72 × 23,128.56
4. Step 4: Simplify right side
   58,196.72x = 2,019,139,940.56
5. Step 5: Solve for x
   x = 2,019,139,940.56/58,196.72
6. Step 6: Final answer
   x = 34,695.08