Finding the Fourth Proportional to 1,658,610.05, 2,289,588.14 and 1,115,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,610.05 : 2,289,588.14 = 1,115,061.10 : x
2. Step 2: Convert to fraction form
   1,658,610.05/2,289,588.14 = 1,115,061.10/x
3. Step 3: Cross multiply
   1,658,610.05x = 2,289,588.14 × 1,115,061.10
4. Step 4: Simplify right side
   1,658,610.05x = 2,553,030,666,999.04
5. Step 5: Solve for x
   x = 2,553,030,666,999.04/1,658,610.05
6. Step 6: Final answer
   x = 1,539,259.14