Finding the Fourth Proportional to 78,311.95, 108,069.58 and 42,501.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,311.95 : 108,069.58 = 42,501.98 : x
2. Step 2: Convert to fraction form
   78,311.95/108,069.58 = 42,501.98/x
3. Step 3: Cross multiply
   78,311.95x = 108,069.58 × 42,501.98
4. Step 4: Simplify right side
   78,311.95x = 4,593,171,127.77
5. Step 5: Solve for x
   x = 4,593,171,127.77/78,311.95
6. Step 6: Final answer
   x = 58,652.24