Finding the Fourth Proportional to 75,913, 104,760.42 and 42,379.24

Step by Step Solution

1. Step 1: Write the proportion equation
   75,913 : 104,760.42 = 42,379.24 : x
2. Step 2: Convert to fraction form
   75,913/104,760.42 = 42,379.24/x
3. Step 3: Cross multiply
   75,913x = 104,760.42 × 42,379.24
4. Step 4: Simplify right side
   75,913x = 4,439,666,981.68
5. Step 5: Solve for x
   x = 4,439,666,981.68/75,913
6. Step 6: Final answer
   x = 58,483.62