Finding the Fourth Proportional to 10,774,140.78, 14,868,630.54 and 5,879,678.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,774,140.78 : 14,868,630.54 = 5,879,678.78 : x
2. Step 2: Convert to fraction form
   10,774,140.78/14,868,630.54 = 5,879,678.78/x
3. Step 3: Cross multiply
   10,774,140.78x = 14,868,630.54 × 5,879,678.78
4. Step 4: Simplify right side
   10,774,140.78x = 87,422,771,427,233.47
5. Step 5: Solve for x
   x = 87,422,771,427,233.47/10,774,140.78
6. Step 6: Final answer
   x = 8,114,129.30