Finding the Fourth Proportional to 2,141,131.76, 2,954,799.72 and 1,174,253.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,131.76 : 2,954,799.72 = 1,174,253.60 : x
2. Step 2: Convert to fraction form
   2,141,131.76/2,954,799.72 = 1,174,253.60/x
3. Step 3: Cross multiply
   2,141,131.76x = 2,954,799.72 × 1,174,253.60
4. Step 4: Simplify right side
   2,141,131.76x = 3,469,684,208,488.99
5. Step 5: Solve for x
   x = 3,469,684,208,488.99/2,141,131.76
6. Step 6: Final answer
   x = 1,620,490.75