Finding the Fourth Proportional to 17,123,478.72, 25,682,483.93 and 4,990,104.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123,478.72 : 25,682,483.93 = 4,990,104.04 : x
2. Step 2: Convert to fraction form
   17,123,478.72/25,682,483.93 = 4,990,104.04/x
3. Step 3: Cross multiply
   17,123,478.72x = 25,682,483.93 × 4,990,104.04
4. Step 4: Simplify right side
   17,123,478.72x = 128,158,266,875,115.16
5. Step 5: Solve for x
   x = 128,158,266,875,115.16/17,123,478.72
6. Step 6: Final answer
   x = 7,484,359.28