Finding the Fourth Proportional to 1,913,059.37, 2,639,900.82 and 1,053,619.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,059.37 : 2,639,900.82 = 1,053,619.63 : x
2. Step 2: Convert to fraction form
   1,913,059.37/2,639,900.82 = 1,053,619.63/x
3. Step 3: Cross multiply
   1,913,059.37x = 2,639,900.82 × 1,053,619.63
4. Step 4: Simplify right side
   1,913,059.37x = 2,781,451,322,556.42
5. Step 5: Solve for x
   x = 2,781,451,322,556.42/1,913,059.37
6. Step 6: Final answer
   x = 1,453,928.38