Finding the Fourth Proportional to 1,590,196.88, 2,194,408.36 and 865,045.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,196.88 : 2,194,408.36 = 865,045.52 : x
2. Step 2: Convert to fraction form
   1,590,196.88/2,194,408.36 = 865,045.52/x
3. Step 3: Cross multiply
   1,590,196.88x = 2,194,408.36 × 865,045.52
4. Step 4: Simplify right side
   1,590,196.88x = 1,898,263,120,868.55
5. Step 5: Solve for x
   x = 1,898,263,120,868.55/1,590,196.88
6. Step 6: Final answer
   x = 1,193,728.36