Finding the Fourth Proportional to 1,697,818.32, 2,546,818.20 and 435,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697,818.32 : 2,546,818.20 = 435,656.88 : x
2. Step 2: Convert to fraction form
   1,697,818.32/2,546,818.20 = 435,656.88/x
3. Step 3: Cross multiply
   1,697,818.32x = 2,546,818.20 × 435,656.88
4. Step 4: Simplify right side
   1,697,818.32x = 1,109,538,870,939.22
5. Step 5: Solve for x
   x = 1,109,538,870,939.22/1,697,818.32
6. Step 6: Final answer
   x = 653,508.60