Finding the Fourth Proportional to 3,631,091.19, 5,009,404.15 and 2,160,707.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631,091.19 : 5,009,404.15 = 2,160,707.91 : x
2. Step 2: Convert to fraction form
   3,631,091.19/5,009,404.15 = 2,160,707.91/x
3. Step 3: Cross multiply
   3,631,091.19x = 5,009,404.15 × 2,160,707.91
4. Step 4: Simplify right side
   3,631,091.19x = 10,823,859,143,053.46
5. Step 5: Solve for x
   x = 10,823,859,143,053.46/3,631,091.19
6. Step 6: Final answer
   x = 2,980,883.32