Finding the Fourth Proportional to 1,154,422.71, 1,593,113.37 and 638,168.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,422.71 : 1,593,113.37 = 638,168.25 : x
2. Step 2: Convert to fraction form
   1,154,422.71/1,593,113.37 = 638,168.25/x
3. Step 3: Cross multiply
   1,154,422.71x = 1,593,113.37 × 638,168.25
4. Step 4: Simplify right side
   1,154,422.71x = 1,016,674,371,384.50
5. Step 5: Solve for x
   x = 1,016,674,371,384.50/1,154,422.71
6. Step 6: Final answer
   x = 880,677.73