Finding the Fourth Proportional to 1,123,770.58, 1,685,304.50 and 375,641.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,770.58 : 1,685,304.50 = 375,641.62 : x
2. Step 2: Convert to fraction form
   1,123,770.58/1,685,304.50 = 375,641.62/x
3. Step 3: Cross multiply
   1,123,770.58x = 1,685,304.50 × 375,641.62
4. Step 4: Simplify right side
   1,123,770.58x = 633,070,506,481.82
5. Step 5: Solve for x
   x = 633,070,506,481.82/1,123,770.58
6. Step 6: Final answer
   x = 563,344.97