Finding the Fourth Proportional to 1,009,162.08, 1,392,572.52 and 556,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,162.08 : 1,392,572.52 = 556,443.36 : x
2. Step 2: Convert to fraction form
   1,009,162.08/1,392,572.52 = 556,443.36/x
3. Step 3: Cross multiply
   1,009,162.08x = 1,392,572.52 × 556,443.36
4. Step 4: Simplify right side
   1,009,162.08x = 774,887,732,072.47
5. Step 5: Solve for x
   x = 774,887,732,072.47/1,009,162.08
6. Step 6: Final answer
   x = 767,852.61