Finding the Fourth Proportional to 2,008,916.71, 3,013,488.82 and 642,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008,916.71 : 3,013,488.82 = 642,810.50 : x
2. Step 2: Convert to fraction form
   2,008,916.71/3,013,488.82 = 642,810.50/x
3. Step 3: Cross multiply
   2,008,916.71x = 3,013,488.82 × 642,810.50
4. Step 4: Simplify right side
   2,008,916.71x = 1,937,102,248,549.45
5. Step 5: Solve for x
   x = 1,937,102,248,549.45/2,008,916.71
6. Step 6: Final answer
   x = 964,252.15