Finding the Fourth Proportional to 72,868.01, 100,558.06 and 42,247.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,868.01 : 100,558.06 = 42,247.07 : x
2. Step 2: Convert to fraction form
   72,868.01/100,558.06 = 42,247.07/x
3. Step 3: Cross multiply
   72,868.01x = 100,558.06 × 42,247.07
4. Step 4: Simplify right side
   72,868.01x = 4,248,283,168.57
5. Step 5: Solve for x
   x = 4,248,283,168.57/72,868.01
6. Step 6: Final answer
   x = 58,301.08