Finding the Fourth Proportional to 1,328,835.72, 1,833,155.48 and 869,748.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,835.72 : 1,833,155.48 = 869,748.18 : x
2. Step 2: Convert to fraction form
   1,328,835.72/1,833,155.48 = 869,748.18/x
3. Step 3: Cross multiply
   1,328,835.72x = 1,833,155.48 × 869,748.18
4. Step 4: Simplify right side
   1,328,835.72x = 1,594,383,642,387.03
5. Step 5: Solve for x
   x = 1,594,383,642,387.03/1,328,835.72
6. Step 6: Final answer
   x = 1,199,835.03