Finding the Fourth Proportional to 76,018.50, 104,903.61 and 42,484.74

Step by Step Solution

1. Step 1: Write the proportion equation
   76,018.50 : 104,903.61 = 42,484.74 : x
2. Step 2: Convert to fraction form
   76,018.50/104,903.61 = 42,484.74/x
3. Step 3: Cross multiply
   76,018.50x = 104,903.61 × 42,484.74
4. Step 4: Simplify right side
   76,018.50x = 4,456,802,595.91
5. Step 5: Solve for x
   x = 4,456,802,595.91/76,018.50
6. Step 6: Final answer
   x = 58,627.87