Finding the Fourth Proportional to 1,267,322.78, 1,748,838.56 and 723,436.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,322.78 : 1,748,838.56 = 723,436.94 : x
2. Step 2: Convert to fraction form
   1,267,322.78/1,748,838.56 = 723,436.94/x
3. Step 3: Cross multiply
   1,267,322.78x = 1,748,838.56 × 723,436.94
4. Step 4: Simplify right side
   1,267,322.78x = 1,265,174,417,155.32
5. Step 5: Solve for x
   x = 1,265,174,417,155.32/1,267,322.78
6. Step 6: Final answer
   x = 998,304.80