Finding the Fourth Proportional to 2,114,751.48, 3,172,810.38 and 978,259.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114,751.48 : 3,172,810.38 = 978,259.08 : x
2. Step 2: Convert to fraction form
   2,114,751.48/3,172,810.38 = 978,259.08/x
3. Step 3: Cross multiply
   2,114,751.48x = 3,172,810.38 × 978,259.08
4. Step 4: Simplify right side
   2,114,751.48x = 3,103,830,563,353.25
5. Step 5: Solve for x
   x = 3,103,830,563,353.25/2,114,751.48
6. Step 6: Final answer
   x = 1,467,704.64