Finding the Fourth Proportional to 1,123,767.77, 1,685,300.29 and 375,638.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,767.77 : 1,685,300.29 = 375,638.81 : x
2. Step 2: Convert to fraction form
   1,123,767.77/1,685,300.29 = 375,638.81/x
3. Step 3: Cross multiply
   1,123,767.77x = 1,685,300.29 × 375,638.81
4. Step 4: Simplify right side
   1,123,767.77x = 633,064,186,062.66
5. Step 5: Solve for x
   x = 633,064,186,062.66/1,123,767.77
6. Step 6: Final answer
   x = 563,340.76