Finding the Fourth Proportional to 2,387,188.48, 3,580,820.70 and 1,328,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,188.48 : 3,580,820.70 = 1,328,956.72 : x
2. Step 2: Convert to fraction form
   2,387,188.48/3,580,820.70 = 1,328,956.72/x
3. Step 3: Cross multiply
   2,387,188.48x = 3,580,820.70 × 1,328,956.72
4. Step 4: Simplify right side
   2,387,188.48x = 4,758,755,732,380.10
5. Step 5: Solve for x
   x = 4,758,755,732,380.10/2,387,188.48
6. Step 6: Final answer
   x = 1,993,456.22