Finding the Fourth Proportional to 1,970,396.81, 2,719,146.88 and 1,064,978.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,396.81 : 2,719,146.88 = 1,064,978.81 : x
2. Step 2: Convert to fraction form
   1,970,396.81/2,719,146.88 = 1,064,978.81/x
3. Step 3: Cross multiply
   1,970,396.81x = 2,719,146.88 × 1,064,978.81
4. Step 4: Simplify right side
   1,970,396.81x = 2,895,833,808,477.61
5. Step 5: Solve for x
   x = 2,895,833,808,477.61/1,970,396.81
6. Step 6: Final answer
   x = 1,469,670.37