Finding the Fourth Proportional to 117,729.41, 176,672.61 and 42,849.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,729.41 : 176,672.61 = 42,849.54 : x
2. Step 2: Convert to fraction form
   117,729.41/176,672.61 = 42,849.54/x
3. Step 3: Cross multiply
   117,729.41x = 176,672.61 × 42,849.54
4. Step 4: Simplify right side
   117,729.41x = 7,570,340,069.10
5. Step 5: Solve for x
   x = 7,570,340,069.10/117,729.41
6. Step 6: Final answer
   x = 64,302.88