Finding the Fourth Proportional to 2,107,830.21, 2,908,812.94 and 1,140,960.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,830.21 : 2,908,812.94 = 1,140,960.21 : x
2. Step 2: Convert to fraction form
   2,107,830.21/2,908,812.94 = 1,140,960.21/x
3. Step 3: Cross multiply
   2,107,830.21x = 2,908,812.94 × 1,140,960.21
4. Step 4: Simplify right side
   2,107,830.21x = 3,318,839,820,020.72
5. Step 5: Solve for x
   x = 3,318,839,820,020.72/2,107,830.21
6. Step 6: Final answer
   x = 1,574,529.01