Finding the Fourth Proportional to 1,494,196.56, 2,241,310.14 and 429,235.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,196.56 : 2,241,310.14 = 429,235.92 : x
2. Step 2: Convert to fraction form
   1,494,196.56/2,241,310.14 = 429,235.92/x
3. Step 3: Cross multiply
   1,494,196.56x = 2,241,310.14 × 429,235.92
4. Step 4: Simplify right side
   1,494,196.56x = 962,050,819,948.23
5. Step 5: Solve for x
   x = 962,050,819,948.23/1,494,196.56
6. Step 6: Final answer
   x = 643,858.28