Finding the Fourth Proportional to 76,352, 105,365.82 and 42,818

Step by Step Solution

1. Step 1: Write the proportion equation
   76,352 : 105,365.82 = 42,818 : x
2. Step 2: Convert to fraction form
   76,352/105,365.82 = 42,818/x
3. Step 3: Cross multiply
   76,352x = 105,365.82 × 42,818
4. Step 4: Simplify right side
   76,352x = 4,511,553,680.76
5. Step 5: Solve for x
   x = 4,511,553,680.76/76,352
6. Step 6: Final answer
   x = 59,088.87