Finding the Fourth Proportional to 10,726,490.10, 16,089,735.15 and 10,726,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726,490.10 : 16,089,735.15 = 10,726,490.10 : x
2. Step 2: Convert to fraction form
   10,726,490.10/16,089,735.15 = 10,726,490.10/x
3. Step 3: Cross multiply
   10,726,490.10x = 16,089,735.15 × 10,726,490.10
4. Step 4: Simplify right side
   10,726,490.10x = 172,586,384,798,097
5. Step 5: Solve for x
   x = 172,586,384,798,097/10,726,490.10
6. Step 6: Final answer
   x = 16,089,735.15