Finding the Fourth Proportional to 2,111,592, 3,167,916.12 and 615,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,592 : 3,167,916.12 = 615,684 : x
2. Step 2: Convert to fraction form
   2,111,592/3,167,916.12 = 615,684/x
3. Step 3: Cross multiply
   2,111,592x = 3,167,916.12 × 615,684
4. Step 4: Simplify right side
   2,111,592x = 1,950,435,268,426.08
5. Step 5: Solve for x
   x = 1,950,435,268,426.08/2,111,592
6. Step 6: Final answer
   x = 923,679.99