Finding the Fourth Proportional to 1,155,410, 1,594,435.96 and 639,150.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,410 : 1,594,435.96 = 639,150.44 : x
2. Step 2: Convert to fraction form
   1,155,410/1,594,435.96 = 639,150.44/x
3. Step 3: Cross multiply
   1,155,410x = 1,594,435.96 × 639,150.44
4. Step 4: Simplify right side
   1,155,410x = 1,019,084,445,385.82
5. Step 5: Solve for x
   x = 1,019,084,445,385.82/1,155,410
6. Step 6: Final answer
   x = 882,011.10