Finding the Fourth Proportional to 2,387,200.56, 3,580,838.72 and 1,328,968.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,200.56 : 3,580,838.72 = 1,328,968.68 : x
2. Step 2: Convert to fraction form
   2,387,200.56/3,580,838.72 = 1,328,968.68/x
3. Step 3: Cross multiply
   2,387,200.56x = 3,580,838.72 × 1,328,968.68
4. Step 4: Simplify right side
   2,387,200.56x = 4,758,822,507,011.29
5. Step 5: Solve for x
   x = 4,758,822,507,011.29/2,387,200.56
6. Step 6: Final answer
   x = 1,993,474.11