Finding the Fourth Proportional to 1,123,679.69, 1,685,752.82 and 375,706.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,679.69 : 1,685,752.82 = 375,706.25 : x
2. Step 2: Convert to fraction form
   1,123,679.69/1,685,752.82 = 375,706.25/x
3. Step 3: Cross multiply
   1,123,679.69x = 1,685,752.82 × 375,706.25
4. Step 4: Simplify right side
   1,123,679.69x = 633,347,868,550.59
5. Step 5: Solve for x
   x = 633,347,868,550.59/1,123,679.69
6. Step 6: Final answer
   x = 563,637.37