Finding the Fourth Proportional to 74,271.98, 102,493.52 and 42,438.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,271.98 : 102,493.52 = 42,438.82 : x
2. Step 2: Convert to fraction form
   74,271.98/102,493.52 = 42,438.82/x
3. Step 3: Cross multiply
   74,271.98x = 102,493.52 × 42,438.82
4. Step 4: Simplify right side
   74,271.98x = 4,349,704,046.45
5. Step 5: Solve for x
   x = 4,349,704,046.45/74,271.98
6. Step 6: Final answer
   x = 58,564.54