Finding the Fourth Proportional to 89,200.10, 133,818.15 and 26,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,200.10 : 133,818.15 = 26,020.10 : x
2. Step 2: Convert to fraction form
   89,200.10/133,818.15 = 26,020.10/x
3. Step 3: Cross multiply
   89,200.10x = 133,818.15 × 26,020.10
4. Step 4: Simplify right side
   89,200.10x = 3,481,961,644.82
5. Step 5: Solve for x
   x = 3,481,961,644.82/89,200.10
6. Step 6: Final answer
   x = 39,035.40