Finding the Fourth Proportional to 1,681,721.15, 2,322,097.52 and 1,353,993.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,721.15 : 2,322,097.52 = 1,353,993.12 : x
2. Step 2: Convert to fraction form
   1,681,721.15/2,322,097.52 = 1,353,993.12/x
3. Step 3: Cross multiply
   1,681,721.15x = 2,322,097.52 × 1,353,993.12
4. Step 4: Simplify right side
   1,681,721.15x = 3,144,104,059,279.10
5. Step 5: Solve for x
   x = 3,144,104,059,279.10/1,681,721.15
6. Step 6: Final answer
   x = 1,869,575.15