Finding the Fourth Proportional to 2,609,159.68, 3,600,678.72 and 1,521,400.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,159.68 : 3,600,678.72 = 1,521,400.96 : x
2. Step 2: Convert to fraction form
   2,609,159.68/3,600,678.72 = 1,521,400.96/x
3. Step 3: Cross multiply
   2,609,159.68x = 3,600,678.72 × 1,521,400.96
4. Step 4: Simplify right side
   2,609,159.68x = 5,478,076,061,259.57
5. Step 5: Solve for x
   x = 5,478,076,061,259.57/2,609,159.68
6. Step 6: Final answer
   x = 2,099,555.69