Finding the Fourth Proportional to 1,648,162.55, 2,272,731.05 and 1,219,335.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,162.55 : 2,272,731.05 = 1,219,335.59 : x
2. Step 2: Convert to fraction form
   1,648,162.55/2,272,731.05 = 1,219,335.59/x
3. Step 3: Cross multiply
   1,648,162.55x = 2,272,731.05 × 1,219,335.59
4. Step 4: Simplify right side
   1,648,162.55x = 2,771,221,849,111.73
5. Step 5: Solve for x
   x = 2,771,221,849,111.73/1,648,162.55
6. Step 6: Final answer
   x = 1,681,400.81