Finding the Fourth Proportional to 3,945,636.17, 5,443,428.71 and 2,291,501.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,636.17 : 5,443,428.71 = 2,291,501.71 : x
2. Step 2: Convert to fraction form
   3,945,636.17/5,443,428.71 = 2,291,501.71/x
3. Step 3: Cross multiply
   3,945,636.17x = 5,443,428.71 × 2,291,501.71
4. Step 4: Simplify right side
   3,945,636.17x = 12,473,626,189,348.28
5. Step 5: Solve for x
   x = 12,473,626,189,348.28/3,945,636.17
6. Step 6: Final answer
   x = 3,161,372.63