Finding the Fourth Proportional to 985,003.59, 1,359,516.30 and 622,196.67

Step by Step Solution

1. Step 1: Write the proportion equation
   985,003.59 : 1,359,516.30 = 622,196.67 : x
2. Step 2: Convert to fraction form
   985,003.59/1,359,516.30 = 622,196.67/x
3. Step 3: Cross multiply
   985,003.59x = 1,359,516.30 × 622,196.67
4. Step 4: Simplify right side
   985,003.59x = 845,886,514,670.72
5. Step 5: Solve for x
   x = 845,886,514,670.72/985,003.59
6. Step 6: Final answer
   x = 858,764.91