Finding the Fourth Proportional to 2,818,939.91, 3,890,165.60 and 1,529,791.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818,939.91 : 3,890,165.60 = 1,529,791.43 : x
2. Step 2: Convert to fraction form
   2,818,939.91/3,890,165.60 = 1,529,791.43/x
3. Step 3: Cross multiply
   2,818,939.91x = 3,890,165.60 × 1,529,791.43
4. Step 4: Simplify right side
   2,818,939.91x = 5,951,141,980,534.46
5. Step 5: Solve for x
   x = 5,951,141,980,534.46/2,818,939.91
6. Step 6: Final answer
   x = 2,111,127.65