Finding the Fourth Proportional to 2,257,123.42, 3,385,881.96 and 637,909.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,123.42 : 3,385,881.96 = 637,909.27 : x
2. Step 2: Convert to fraction form
   2,257,123.42/3,385,881.96 = 637,909.27/x
3. Step 3: Cross multiply
   2,257,123.42x = 3,385,881.96 × 637,909.27
4. Step 4: Simplify right side
   2,257,123.42x = 2,159,885,501,186.73
5. Step 5: Solve for x
   x = 2,159,885,501,186.73/2,257,123.42
6. Step 6: Final answer
   x = 956,919.54