Finding the Fourth Proportional to 2,152,875.06, 3,229,768.20 and 636,438.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,875.06 : 3,229,768.20 = 636,438.42 : x
2. Step 2: Convert to fraction form
   2,152,875.06/3,229,768.20 = 636,438.42/x
3. Step 3: Cross multiply
   2,152,875.06x = 3,229,768.20 × 636,438.42
4. Step 4: Simplify right side
   2,152,875.06x = 2,055,548,570,174.24
5. Step 5: Solve for x
   x = 2,055,548,570,174.24/2,152,875.06
6. Step 6: Final answer
   x = 954,792.32