Finding the Fourth Proportional to 1,821,123.30, 2,553,305.10 and 1,821,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,123.30 : 2,553,305.10 = 1,821,123.30 : x
2. Step 2: Convert to fraction form
   1,821,123.30/2,553,305.10 = 1,821,123.30/x
3. Step 3: Cross multiply
   1,821,123.30x = 2,553,305.10 × 1,821,123.30
4. Step 4: Simplify right side
   1,821,123.30x = 4,649,883,409,618.83
5. Step 5: Solve for x
   x = 4,649,883,409,618.83/1,821,123.30
6. Step 6: Final answer
   x = 2,553,305.10