Finding the Fourth Proportional to 3,586,009.86, 5,377,431.89 and 1,026,643.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,009.86 : 5,377,431.89 = 1,026,643.98 : x
2. Step 2: Convert to fraction form
   3,586,009.86/5,377,431.89 = 1,026,643.98/x
3. Step 3: Cross multiply
   3,586,009.86x = 5,377,431.89 × 1,026,643.98
4. Step 4: Simplify right side
   3,586,009.86x = 5,520,708,077,728.52
5. Step 5: Solve for x
   x = 5,520,708,077,728.52/3,586,009.86
6. Step 6: Final answer
   x = 1,539,512.80