Finding the Fourth Proportional to 78,532.46, 108,374.70 and 42,722.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,532.46 : 108,374.70 = 42,722.37 : x
2. Step 2: Convert to fraction form
   78,532.46/108,374.70 = 42,722.37/x
3. Step 3: Cross multiply
   78,532.46x = 108,374.70 × 42,722.37
4. Step 4: Simplify right side
   78,532.46x = 4,630,024,032.04
5. Step 5: Solve for x
   x = 4,630,024,032.04/78,532.46
6. Step 6: Final answer
   x = 58,956.82