Finding the Fourth Proportional to 748,671.59, 1,123,196.83 and 208,927.81

Step by Step Solution

1. Step 1: Write the proportion equation
   748,671.59 : 1,123,196.83 = 208,927.81 : x
2. Step 2: Convert to fraction form
   748,671.59/1,123,196.83 = 208,927.81/x
3. Step 3: Cross multiply
   748,671.59x = 1,123,196.83 × 208,927.81
4. Step 4: Simplify right side
   748,671.59x = 234,667,056,223.33
5. Step 5: Solve for x
   x = 234,667,056,223.33/748,671.59
6. Step 6: Final answer
   x = 313,444.59