Finding the Fourth Proportional to 2,590,563.39, 3,885,852.39 and 993,615.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,563.39 : 3,885,852.39 = 993,615.99 : x
2. Step 2: Convert to fraction form
   2,590,563.39/3,885,852.39 = 993,615.99/x
3. Step 3: Cross multiply
   2,590,563.39x = 3,885,852.39 × 993,615.99
4. Step 4: Simplify right side
   2,590,563.39x = 3,861,045,069,483.72
5. Step 5: Solve for x
   x = 3,861,045,069,483.72/2,590,563.39
6. Step 6: Final answer
   x = 1,490,426.79