Finding the Fourth Proportional to 156,939, 235,512.18 and 73,839.48

Step by Step Solution

1. Step 1: Write the proportion equation
   156,939 : 235,512.18 = 73,839.48 : x
2. Step 2: Convert to fraction form
   156,939/235,512.18 = 73,839.48/x
3. Step 3: Cross multiply
   156,939x = 235,512.18 × 73,839.48
4. Step 4: Simplify right side
   156,939x = 17,390,096,904.87
5. Step 5: Solve for x
   x = 17,390,096,904.87/156,939
6. Step 6: Final answer
   x = 110,808.00