Finding the Fourth Proportional to 52,258.89, 78,736.98 and 47,267.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,258.89 : 78,736.98 = 47,267.03 : x
2. Step 2: Convert to fraction form
   52,258.89/78,736.98 = 47,267.03/x
3. Step 3: Cross multiply
   52,258.89x = 78,736.98 × 47,267.03
4. Step 4: Simplify right side
   52,258.89x = 3,721,663,117.09
5. Step 5: Solve for x
   x = 3,721,663,117.09/52,258.89
6. Step 6: Final answer
   x = 71,215.88