Finding the Fourth Proportional to 76,360.54, 105,375.94 and 42,368.30

Step by Step Solution

1. Step 1: Write the proportion equation
   76,360.54 : 105,375.94 = 42,368.30 : x
2. Step 2: Convert to fraction form
   76,360.54/105,375.94 = 42,368.30/x
3. Step 3: Cross multiply
   76,360.54x = 105,375.94 × 42,368.30
4. Step 4: Simplify right side
   76,360.54x = 4,464,598,911.82
5. Step 5: Solve for x
   x = 4,464,598,911.82/76,360.54
6. Step 6: Final answer
   x = 58,467.36