Finding the Fourth Proportional to 75,828.72, 104,645.88 and 42,294

Step by Step Solution

1. Step 1: Write the proportion equation
   75,828.72 : 104,645.88 = 42,294 : x
2. Step 2: Convert to fraction form
   75,828.72/104,645.88 = 42,294/x
3. Step 3: Cross multiply
   75,828.72x = 104,645.88 × 42,294
4. Step 4: Simplify right side
   75,828.72x = 4,425,892,848.72
5. Step 5: Solve for x
   x = 4,425,892,848.72/75,828.72
6. Step 6: Final answer
   x = 58,366.97