Finding the Fourth Proportional to 2,817,679.66, 3,888,405.43 and 1,528,520.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,679.66 : 3,888,405.43 = 1,528,520.05 : x
2. Step 2: Convert to fraction form
   2,817,679.66/3,888,405.43 = 1,528,520.05/x
3. Step 3: Cross multiply
   2,817,679.66x = 3,888,405.43 × 1,528,520.05
4. Step 4: Simplify right side
   2,817,679.66x = 5,943,505,654,641.27
5. Step 5: Solve for x
   x = 5,943,505,654,641.27/2,817,679.66
6. Step 6: Final answer
   x = 2,109,361.73