Finding the Fourth Proportional to 1,617,981.30, 2,233,258.29 and 939,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,981.30 : 2,233,258.29 = 939,136.50 : x
2. Step 2: Convert to fraction form
   1,617,981.30/2,233,258.29 = 939,136.50/x
3. Step 3: Cross multiply
   1,617,981.30x = 2,233,258.29 × 939,136.50
4. Step 4: Simplify right side
   1,617,981.30x = 2,097,334,374,066.59
5. Step 5: Solve for x
   x = 2,097,334,374,066.59/1,617,981.30
6. Step 6: Final answer
   x = 1,296,266.14