Finding the Fourth Proportional to 5,387,427.86, 7,434,807.17 and 2,940,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,427.86 : 7,434,807.17 = 2,940,196.32 : x
2. Step 2: Convert to fraction form
   5,387,427.86/7,434,807.17 = 2,940,196.32/x
3. Step 3: Cross multiply
   5,387,427.86x = 7,434,807.17 × 2,940,196.32
4. Step 4: Simplify right side
   5,387,427.86x = 21,859,792,666,442.63
5. Step 5: Solve for x
   x = 21,859,792,666,442.63/5,387,427.86
6. Step 6: Final answer
   x = 4,057,556.45