Finding the Fourth Proportional to 72,472.58, 100,014.69 and 42,252.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,472.58 : 100,014.69 = 42,252.78 : x
2. Step 2: Convert to fraction form
   72,472.58/100,014.69 = 42,252.78/x
3. Step 3: Cross multiply
   72,472.58x = 100,014.69 × 42,252.78
4. Step 4: Simplify right side
   72,472.58x = 4,225,898,693.34
5. Step 5: Solve for x
   x = 4,225,898,693.34/72,472.58
6. Step 6: Final answer
   x = 58,310.32