Finding the Fourth Proportional to 2,810,505.72, 3,878,494.70 and 1,521,345.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,505.72 : 3,878,494.70 = 1,521,345.76 : x
2. Step 2: Convert to fraction form
   2,810,505.72/3,878,494.70 = 1,521,345.76/x
3. Step 3: Cross multiply
   2,810,505.72x = 3,878,494.70 × 1,521,345.76
4. Step 4: Simplify right side
   2,810,505.72x = 5,900,531,467,027.47
5. Step 5: Solve for x
   x = 5,900,531,467,027.47/2,810,505.72
6. Step 6: Final answer
   x = 2,099,455.42