Finding the Fourth Proportional to 3,959,467.50, 5,464,065.15 and 2,148,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959,467.50 : 5,464,065.15 = 2,148,631.50 : x
2. Step 2: Convert to fraction form
   3,959,467.50/5,464,065.15 = 2,148,631.50/x
3. Step 3: Cross multiply
   3,959,467.50x = 5,464,065.15 × 2,148,631.50
4. Step 4: Simplify right side
   3,959,467.50x = 11,740,262,499,342.23
5. Step 5: Solve for x
   x = 11,740,262,499,342.23/3,959,467.50
6. Step 6: Final answer
   x = 2,965,111.47