Finding the Fourth Proportional to 2,128,036.74, 2,935,923.42 and 1,638,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,036.74 : 2,935,923.42 = 1,638,156.06 : x
2. Step 2: Convert to fraction form
   2,128,036.74/2,935,923.42 = 1,638,156.06/x
3. Step 3: Cross multiply
   2,128,036.74x = 2,935,923.42 × 1,638,156.06
4. Step 4: Simplify right side
   2,128,036.74x = 4,809,500,742,168.93
5. Step 5: Solve for x
   x = 4,809,500,742,168.93/2,128,036.74
6. Step 6: Final answer
   x = 2,260,064.71