Finding the Fourth Proportional to 2,021,012.48, 2,788,991.52 and 1,115,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,012.48 : 2,788,991.52 = 1,115,588 : x
2. Step 2: Convert to fraction form
   2,021,012.48/2,788,991.52 = 1,115,588/x
3. Step 3: Cross multiply
   2,021,012.48x = 2,788,991.52 × 1,115,588
4. Step 4: Simplify right side
   2,021,012.48x = 3,111,365,471,813.76
5. Step 5: Solve for x
   x = 3,111,365,471,813.76/2,021,012.48
6. Step 6: Final answer
   x = 1,539,508.29