Finding the Fourth Proportional to 2,821,667.71, 3,893,663.73 and 1,564,388.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,821,667.71 : 3,893,663.73 = 1,564,388.71 : x
2. Step 2: Convert to fraction form
   2,821,667.71/3,893,663.73 = 1,564,388.71/x
3. Step 3: Cross multiply
   2,821,667.71x = 3,893,663.73 × 1,564,388.71
4. Step 4: Simplify right side
   2,821,667.71x = 6,091,203,590,792.00
5. Step 5: Solve for x
   x = 6,091,203,590,792.00/2,821,667.71
6. Step 6: Final answer
   x = 2,158,724.64