Finding the Fourth Proportional to 2,875,330.55, 4,312,257.71 and 853,096.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875,330.55 : 4,312,257.71 = 853,096.05 : x
2. Step 2: Convert to fraction form
   2,875,330.55/4,312,257.71 = 853,096.05/x
3. Step 3: Cross multiply
   2,875,330.55x = 4,312,257.71 × 853,096.05
4. Step 4: Simplify right side
   2,875,330.55x = 3,678,770,018,983.05
5. Step 5: Solve for x
   x = 3,678,770,018,983.05/2,875,330.55
6. Step 6: Final answer
   x = 1,279,425.08