Finding the Fourth Proportional to 52,258.92, 72,117.84 and 28,386.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,258.92 : 72,117.84 = 28,386.06 : x
2. Step 2: Convert to fraction form
   52,258.92/72,117.84 = 28,386.06/x
3. Step 3: Cross multiply
   52,258.92x = 72,117.84 × 28,386.06
4. Step 4: Simplify right side
   52,258.92x = 2,047,141,333.31
5. Step 5: Solve for x
   x = 2,047,141,333.31/52,258.92
6. Step 6: Final answer
   x = 39,173.05