Finding the Fourth Proportional to 2,810,767.50, 3,878,871.72 and 1,521,607.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,767.50 : 3,878,871.72 = 1,521,607.88 : x
2. Step 2: Convert to fraction form
   2,810,767.50/3,878,871.72 = 1,521,607.88/x
3. Step 3: Cross multiply
   2,810,767.50x = 3,878,871.72 × 1,521,607.88
4. Step 4: Simplify right side
   2,810,767.50x = 5,902,121,755,266.80
5. Step 5: Solve for x
   x = 5,902,121,755,266.80/2,810,767.50
6. Step 6: Final answer
   x = 2,099,825.67