Finding the Fourth Proportional to 1,888,768.91, 2,606,205.30 and 1,061,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888,768.91 : 2,606,205.30 = 1,061,678.72 : x
2. Step 2: Convert to fraction form
   1,888,768.91/2,606,205.30 = 1,061,678.72/x
3. Step 3: Cross multiply
   1,888,768.91x = 2,606,205.30 × 1,061,678.72
4. Step 4: Simplify right side
   1,888,768.91x = 2,766,952,706,961.22
5. Step 5: Solve for x
   x = 2,766,952,706,961.22/1,888,768.91
6. Step 6: Final answer
   x = 1,464,950.37