Finding the Fourth Proportional to 1,367,484.63, 1,887,128.72 and 763,872.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367,484.63 : 1,887,128.72 = 763,872.63 : x
2. Step 2: Convert to fraction form
   1,367,484.63/1,887,128.72 = 763,872.63/x
3. Step 3: Cross multiply
   1,367,484.63x = 1,887,128.72 × 763,872.63
4. Step 4: Simplify right side
   1,367,484.63x = 1,441,525,974,675.57
5. Step 5: Solve for x
   x = 1,441,525,974,675.57/1,367,484.63
6. Step 6: Final answer
   x = 1,054,144.19