Finding the Fourth Proportional to 7,003,561.86, 10,504,553.55 and 1,886,366.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003,561.86 : 10,504,553.55 = 1,886,366.21 : x
2. Step 2: Convert to fraction form
   7,003,561.86/10,504,553.55 = 1,886,366.21/x
3. Step 3: Cross multiply
   7,003,561.86x = 10,504,553.55 × 1,886,366.21
4. Step 4: Simplify right side
   7,003,561.86x = 19,815,434,815,332.78
5. Step 5: Solve for x
   x = 19,815,434,815,332.78/7,003,561.86
6. Step 6: Final answer
   x = 2,829,336.73