Finding the Fourth Proportional to 76,077.03, 104,985.72 and 42,543.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,077.03 : 104,985.72 = 42,543.03 : x
2. Step 2: Convert to fraction form
   76,077.03/104,985.72 = 42,543.03/x
3. Step 3: Cross multiply
   76,077.03x = 104,985.72 × 42,543.03
4. Step 4: Simplify right side
   76,077.03x = 4,466,410,635.53
5. Step 5: Solve for x
   x = 4,466,410,635.53/76,077.03
6. Step 6: Final answer
   x = 58,709.06