Finding the Fourth Proportional to 78,258.53, 108,013.83 and 48,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,258.53 : 108,013.83 = 48,059.72 : x
2. Step 2: Convert to fraction form
   78,258.53/108,013.83 = 48,059.72/x
3. Step 3: Cross multiply
   78,258.53x = 108,013.83 × 48,059.72
4. Step 4: Simplify right side
   78,258.53x = 5,191,114,425.93
5. Step 5: Solve for x
   x = 5,191,114,425.93/78,258.53
6. Step 6: Final answer
   x = 66,332.89