Finding the Fourth Proportional to 902,404.90, 1,353,607.35 and 800,928.10

Step by Step Solution

1. Step 1: Write the proportion equation
   902,404.90 : 1,353,607.35 = 800,928.10 : x
2. Step 2: Convert to fraction form
   902,404.90/1,353,607.35 = 800,928.10/x
3. Step 3: Cross multiply
   902,404.90x = 1,353,607.35 × 800,928.10
4. Step 4: Simplify right side
   902,404.90x = 1,084,142,162,981.54
5. Step 5: Solve for x
   x = 1,084,142,162,981.54/902,404.90
6. Step 6: Final answer
   x = 1,201,392.15