Finding the Fourth Proportional to 2,590,996.01, 3,886,992.16 and 993,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,996.01 : 3,886,992.16 = 993,434.50 : x
2. Step 2: Convert to fraction form
   2,590,996.01/3,886,992.16 = 993,434.50/x
3. Step 3: Cross multiply
   2,590,996.01x = 3,886,992.16 × 993,434.50
4. Step 4: Simplify right side
   2,590,996.01x = 3,861,472,104,416.51
5. Step 5: Solve for x
   x = 3,861,472,104,416.51/2,590,996.01
6. Step 6: Final answer
   x = 1,490,342.75