Finding the Fourth Proportional to 1,429,609.62, 2,154,454.71 and 1,287,632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,609.62 : 2,154,454.71 = 1,287,632.82 : x
2. Step 2: Convert to fraction form
   1,429,609.62/2,154,454.71 = 1,287,632.82/x
3. Step 3: Cross multiply
   1,429,609.62x = 2,154,454.71 × 1,287,632.82
4. Step 4: Simplify right side
   1,429,609.62x = 2,774,146,593,799.58
5. Step 5: Solve for x
   x = 2,774,146,593,799.58/1,429,609.62
6. Step 6: Final answer
   x = 1,940,492.39