Finding the Fourth Proportional to 1,913,059.58, 2,640,141.62 and 1,053,619.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,059.58 : 2,640,141.62 = 1,053,619.62 : x
2. Step 2: Convert to fraction form
   1,913,059.58/2,640,141.62 = 1,053,619.62/x
3. Step 3: Cross multiply
   1,913,059.58x = 2,640,141.62 × 1,053,619.62
4. Step 4: Simplify right side
   1,913,059.58x = 2,781,705,010,410.59
5. Step 5: Solve for x
   x = 2,781,705,010,410.59/1,913,059.58
6. Step 6: Final answer
   x = 1,454,060.84