Finding the Fourth Proportional to 2,221,657.86, 3,063,594.51 and 1,900,431.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,657.86 : 3,063,594.51 = 1,900,431.30 : x
2. Step 2: Convert to fraction form
   2,221,657.86/3,063,594.51 = 1,900,431.30/x
3. Step 3: Cross multiply
   2,221,657.86x = 3,063,594.51 × 1,900,431.30
4. Step 4: Simplify right side
   2,221,657.86x = 5,822,150,897,312.16
5. Step 5: Solve for x
   x = 5,822,150,897,312.16/2,221,657.86
6. Step 6: Final answer
   x = 2,620,633.45