Finding the Fourth Proportional to 1,123,628.24, 1,685,435.88 and 375,667.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,628.24 : 1,685,435.88 = 375,667.76 : x
2. Step 2: Convert to fraction form
   1,123,628.24/1,685,435.88 = 375,667.76/x
3. Step 3: Cross multiply
   1,123,628.24x = 1,685,435.88 × 375,667.76
4. Step 4: Simplify right side
   1,123,628.24x = 633,163,921,663.23
5. Step 5: Solve for x
   x = 633,163,921,663.23/1,123,628.24
6. Step 6: Final answer
   x = 563,499.47