Finding the Fourth Proportional to 5,185,940.78, 7,778,848.59 and 1,347,423.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185,940.78 : 7,778,848.59 = 1,347,423.54 : x
2. Step 2: Convert to fraction form
   5,185,940.78/7,778,848.59 = 1,347,423.54/x
3. Step 3: Cross multiply
   5,185,940.78x = 7,778,848.59 × 1,347,423.54
4. Step 4: Simplify right side
   5,185,940.78x = 10,481,403,704,261.81
5. Step 5: Solve for x
   x = 10,481,403,704,261.81/5,185,940.78
6. Step 6: Final answer
   x = 2,021,119.05