Finding the Fourth Proportional to 2,810,513.76, 3,878,505.72 and 1,521,353.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,513.76 : 3,878,505.72 = 1,521,353.76 : x
2. Step 2: Convert to fraction form
   2,810,513.76/3,878,505.72 = 1,521,353.76/x
3. Step 3: Cross multiply
   2,810,513.76x = 3,878,505.72 × 1,521,353.76
4. Step 4: Simplify right side
   2,810,513.76x = 5,900,579,260,303.51
5. Step 5: Solve for x
   x = 5,900,579,260,303.51/2,810,513.76
6. Step 6: Final answer
   x = 2,099,466.42