Finding the Fourth Proportional to 1,970,396.47, 2,719,151.78 and 1,064,978.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,396.47 : 2,719,151.78 = 1,064,978.47 : x
2. Step 2: Convert to fraction form
   1,970,396.47/2,719,151.78 = 1,064,978.47/x
3. Step 3: Cross multiply
   1,970,396.47x = 2,719,151.78 × 1,064,978.47
4. Step 4: Simplify right side
   1,970,396.47x = 2,895,838,097,037.28
5. Step 5: Solve for x
   x = 2,895,838,097,037.28/1,970,396.47
6. Step 6: Final answer
   x = 1,469,672.80