Finding the Fourth Proportional to 1,451,722.50, 2,003,377.05 and 815,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451,722.50 : 2,003,377.05 = 815,818.50 : x
2. Step 2: Convert to fraction form
   1,451,722.50/2,003,377.05 = 815,818.50/x
3. Step 3: Cross multiply
   1,451,722.50x = 2,003,377.05 × 815,818.50
4. Step 4: Simplify right side
   1,451,722.50x = 1,634,392,059,865.43
5. Step 5: Solve for x
   x = 1,634,392,059,865.43/1,451,722.50
6. Step 6: Final answer
   x = 1,125,829.53