Finding the Fourth Proportional to 2,621,468.30, 3,932,342.60 and 824,491.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,468.30 : 3,932,342.60 = 824,491.89 : x
2. Step 2: Convert to fraction form
   2,621,468.30/3,932,342.60 = 824,491.89/x
3. Step 3: Cross multiply
   2,621,468.30x = 3,932,342.60 × 824,491.89
4. Step 4: Simplify right side
   2,621,468.30x = 3,242,184,578,279.06
5. Step 5: Solve for x
   x = 3,242,184,578,279.06/2,621,468.30
6. Step 6: Final answer
   x = 1,236,781.92