Finding the Fourth Proportional to 1,837,139.47, 2,535,108.90 and 1,021,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837,139.47 : 2,535,108.90 = 1,021,293.50 : x
2. Step 2: Convert to fraction form
   1,837,139.47/2,535,108.90 = 1,021,293.50/x
3. Step 3: Cross multiply
   1,837,139.47x = 2,535,108.90 × 1,021,293.50
4. Step 4: Simplify right side
   1,837,139.47x = 2,589,090,241,362.15
5. Step 5: Solve for x
   x = 2,589,090,241,362.15/1,837,139.47
6. Step 6: Final answer
   x = 1,409,305.22