Finding the Fourth Proportional to 1,429,098.66, 2,142,525.31 and 978,456.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,098.66 : 2,142,525.31 = 978,456.36 : x
2. Step 2: Convert to fraction form
   1,429,098.66/2,142,525.31 = 978,456.36/x
3. Step 3: Cross multiply
   1,429,098.66x = 2,142,525.31 × 978,456.36
4. Step 4: Simplify right side
   1,429,098.66x = 2,096,367,516,030.47
5. Step 5: Solve for x
   x = 2,096,367,516,030.47/1,429,098.66
6. Step 6: Final answer
   x = 1,466,915.88