Finding the Fourth Proportional to 938,970.76, 1,408,470.72 and 229,012.24

Step by Step Solution

1. Step 1: Write the proportion equation
   938,970.76 : 1,408,470.72 = 229,012.24 : x
2. Step 2: Convert to fraction form
   938,970.76/1,408,470.72 = 229,012.24/x
3. Step 3: Cross multiply
   938,970.76x = 1,408,470.72 × 229,012.24
4. Step 4: Simplify right side
   938,970.76x = 322,557,034,561.61
5. Step 5: Solve for x
   x = 322,557,034,561.61/938,970.76
6. Step 6: Final answer
   x = 343,521.92