Finding the Fourth Proportional to 78,384.63, 108,171.10 and 42,575.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,384.63 : 108,171.10 = 42,575.24 : x
2. Step 2: Convert to fraction form
   78,384.63/108,171.10 = 42,575.24/x
3. Step 3: Cross multiply
   78,384.63x = 108,171.10 × 42,575.24
4. Step 4: Simplify right side
   78,384.63x = 4,605,410,166.70
5. Step 5: Solve for x
   x = 4,605,410,166.70/78,384.63
6. Step 6: Final answer
   x = 58,754.00