Finding the Fourth Proportional to 75,783, 104,582.70 and 42,251.16

Step by Step Solution

1. Step 1: Write the proportion equation
   75,783 : 104,582.70 = 42,251.16 : x
2. Step 2: Convert to fraction form
   75,783/104,582.70 = 42,251.16/x
3. Step 3: Cross multiply
   75,783x = 104,582.70 × 42,251.16
4. Step 4: Simplify right side
   75,783x = 4,418,740,390.93
5. Step 5: Solve for x
   x = 4,418,740,390.93/75,783
6. Step 6: Final answer
   x = 58,307.81