Finding the Fourth Proportional to 72,948.02, 100,693.38 and 42,743.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,948.02 : 100,693.38 = 42,743.12 : x
2. Step 2: Convert to fraction form
   72,948.02/100,693.38 = 42,743.12/x
3. Step 3: Cross multiply
   72,948.02x = 100,693.38 × 42,743.12
4. Step 4: Simplify right side
   72,948.02x = 4,303,949,224.55
5. Step 5: Solve for x
   x = 4,303,949,224.55/72,948.02
6. Step 6: Final answer
   x = 59,000.22