Finding the Fourth Proportional to 3,587,590.33, 5,381,405.32 and 891,915.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,587,590.33 : 5,381,405.32 = 891,915.54 : x
2. Step 2: Convert to fraction form
   3,587,590.33/5,381,405.32 = 891,915.54/x
3. Step 3: Cross multiply
   3,587,590.33x = 5,381,405.32 × 891,915.54
4. Step 4: Simplify right side
   3,587,590.33x = 4,799,759,047,667.37
5. Step 5: Solve for x
   x = 4,799,759,047,667.37/3,587,590.33
6. Step 6: Final answer
   x = 1,337,878.24