Finding the Fourth Proportional to 76,031.60, 104,919.38 and 42,038.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,031.60 : 104,919.38 = 42,038.10 : x
2. Step 2: Convert to fraction form
   76,031.60/104,919.38 = 42,038.10/x
3. Step 3: Cross multiply
   76,031.60x = 104,919.38 × 42,038.10
4. Step 4: Simplify right side
   76,031.60x = 4,410,611,388.38
5. Step 5: Solve for x
   x = 4,410,611,388.38/76,031.60
6. Step 6: Final answer
   x = 58,010.24