Finding the Fourth Proportional to 2,908,072.90, 4,010,528.10 and 1,820,443.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908,072.90 : 4,010,528.10 = 1,820,443.63 : x
2. Step 2: Convert to fraction form
   2,908,072.90/4,010,528.10 = 1,820,443.63/x
3. Step 3: Cross multiply
   2,908,072.90x = 4,010,528.10 × 1,820,443.63
4. Step 4: Simplify right side
   2,908,072.90x = 7,300,940,334,180.83
5. Step 5: Solve for x
   x = 7,300,940,334,180.83/2,908,072.90
6. Step 6: Final answer
   x = 2,510,576.79