Finding the Fourth Proportional to 2,590,997.51, 3,886,994.42 and 993,436.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,997.51 : 3,886,994.42 = 993,436.01 : x
2. Step 2: Convert to fraction form
   2,590,997.51/3,886,994.42 = 993,436.01/x
3. Step 3: Cross multiply
   2,590,997.51x = 3,886,994.42 × 993,436.01
4. Step 4: Simplify right side
   2,590,997.51x = 3,861,480,203,094.91
5. Step 5: Solve for x
   x = 3,861,480,203,094.91/2,590,997.51
6. Step 6: Final answer
   x = 1,490,345.01