Finding the Fourth Proportional to 76,018.18, 104,900.58 and 42,024.63

Step by Step Solution

1. Step 1: Write the proportion equation
   76,018.18 : 104,900.58 = 42,024.63 : x
2. Step 2: Convert to fraction form
   76,018.18/104,900.58 = 42,024.63/x
3. Step 3: Cross multiply
   76,018.18x = 104,900.58 × 42,024.63
4. Step 4: Simplify right side
   76,018.18x = 4,408,408,061.29
5. Step 5: Solve for x
   x = 4,408,408,061.29/76,018.18
6. Step 6: Final answer
   x = 57,991.50