Finding the Fourth Proportional to 72,711.46, 100,308.13 and 42,498.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,711.46 : 100,308.13 = 42,498.06 : x
2. Step 2: Convert to fraction form
   72,711.46/100,308.13 = 42,498.06/x
3. Step 3: Cross multiply
   72,711.46x = 100,308.13 × 42,498.06
4. Step 4: Simplify right side
   72,711.46x = 4,262,900,927.23
5. Step 5: Solve for x
   x = 4,262,900,927.23/72,711.46
6. Step 6: Final answer
   x = 58,627.63