Finding the Fourth Proportional to 948,443.58, 1,308,900.06 and 561,481.07

Step by Step Solution

1. Step 1: Write the proportion equation
   948,443.58 : 1,308,900.06 = 561,481.07 : x
2. Step 2: Convert to fraction form
   948,443.58/1,308,900.06 = 561,481.07/x
3. Step 3: Cross multiply
   948,443.58x = 1,308,900.06 × 561,481.07
4. Step 4: Simplify right side
   948,443.58x = 734,922,599,667.36
5. Step 5: Solve for x
   x = 734,922,599,667.36/948,443.58
6. Step 6: Final answer
   x = 774,872.24