Finding the Fourth Proportional to 543,123.82, 749,488.71 and 301,416.58

Step by Step Solution

1. Step 1: Write the proportion equation
   543,123.82 : 749,488.71 = 301,416.58 : x
2. Step 2: Convert to fraction form
   543,123.82/749,488.71 = 301,416.58/x
3. Step 3: Cross multiply
   543,123.82x = 749,488.71 × 301,416.58
4. Step 4: Simplify right side
   543,123.82x = 225,908,323,716.81
5. Step 5: Solve for x
   x = 225,908,323,716.81/543,123.82
6. Step 6: Final answer
   x = 415,942.58