Finding the Fourth Proportional to 2,172,110.72, 3,256,856.64 and 973,816.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,110.72 : 3,256,856.64 = 973,816.32 : x
2. Step 2: Convert to fraction form
   2,172,110.72/3,256,856.64 = 973,816.32/x
3. Step 3: Cross multiply
   2,172,110.72x = 3,256,856.64 × 973,816.32
4. Step 4: Simplify right side
   2,172,110.72x = 3,171,580,147,932.37
5. Step 5: Solve for x
   x = 3,171,580,147,932.37/2,172,110.72
6. Step 6: Final answer
   x = 1,460,137.42