Finding the Fourth Proportional to 52,701.82, 79,046.89 and 13,258.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,701.82 : 79,046.89 = 13,258.93 : x
2. Step 2: Convert to fraction form
   52,701.82/79,046.89 = 13,258.93/x
3. Step 3: Cross multiply
   52,701.82x = 79,046.89 × 13,258.93
4. Step 4: Simplify right side
   52,701.82x = 1,048,077,181.23
5. Step 5: Solve for x
   x = 1,048,077,181.23/52,701.82
6. Step 6: Final answer
   x = 19,886.93