Finding the Fourth Proportional to 1,688,768.10, 2,533,152.15 and 847,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,768.10 : 2,533,152.15 = 847,016.10 : x
2. Step 2: Convert to fraction form
   1,688,768.10/2,533,152.15 = 847,016.10/x
3. Step 3: Cross multiply
   1,688,768.10x = 2,533,152.15 × 847,016.10
4. Step 4: Simplify right side
   1,688,768.10x = 2,145,620,654,799.61
5. Step 5: Solve for x
   x = 2,145,620,654,799.61/1,688,768.10
6. Step 6: Final answer
   x = 1,270,524.15