Finding the Fourth Proportional to 1,621,907.32, 2,238,217.32 and 896,773.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,907.32 : 2,238,217.32 = 896,773.72 : x
2. Step 2: Convert to fraction form
   1,621,907.32/2,238,217.32 = 896,773.72/x
3. Step 3: Cross multiply
   1,621,907.32x = 2,238,217.32 × 896,773.72
4. Step 4: Simplify right side
   1,621,907.32x = 2,007,174,472,224.83
5. Step 5: Solve for x
   x = 2,007,174,472,224.83/1,621,907.32
6. Step 6: Final answer
   x = 1,237,539.56