Finding the Fourth Proportional to 2,144,533.72, 2,960,120.80 and 1,380,587.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,533.72 : 2,960,120.80 = 1,380,587.26 : x
2. Step 2: Convert to fraction form
   2,144,533.72/2,960,120.80 = 1,380,587.26/x
3. Step 3: Cross multiply
   2,144,533.72x = 2,960,120.80 × 1,380,587.26
4. Step 4: Simplify right side
   2,144,533.72x = 4,086,705,064,541.01
5. Step 5: Solve for x
   x = 4,086,705,064,541.01/2,144,533.72
6. Step 6: Final answer
   x = 1,905,638.05