Finding the Fourth Proportional to 1,513,499.21, 2,087,447.94 and 969,685.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,499.21 : 2,087,447.94 = 969,685.94 : x
2. Step 2: Convert to fraction form
   1,513,499.21/2,087,447.94 = 969,685.94/x
3. Step 3: Cross multiply
   1,513,499.21x = 2,087,447.94 × 969,685.94
4. Step 4: Simplify right side
   1,513,499.21x = 2,024,168,923,118.58
5. Step 5: Solve for x
   x = 2,024,168,923,118.58/1,513,499.21
6. Step 6: Final answer
   x = 1,337,409.96