Finding the Fourth Proportional to 72,927.47, 100,662.16 and 42,308.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,927.47 : 100,662.16 = 42,308.30 : x
2. Step 2: Convert to fraction form
   72,927.47/100,662.16 = 42,308.30/x
3. Step 3: Cross multiply
   72,927.47x = 100,662.16 × 42,308.30
4. Step 4: Simplify right side
   72,927.47x = 4,258,844,863.93
5. Step 5: Solve for x
   x = 4,258,844,863.93/72,927.47
6. Step 6: Final answer
   x = 58,398.36