Finding the Fourth Proportional to 52,479.67, 72,422.70 and 28,606.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,479.67 : 72,422.70 = 28,606.35 : x
2. Step 2: Convert to fraction form
   52,479.67/72,422.70 = 28,606.35/x
3. Step 3: Cross multiply
   52,479.67x = 72,422.70 × 28,606.35
4. Step 4: Simplify right side
   52,479.67x = 2,071,749,104.15
5. Step 5: Solve for x
   x = 2,071,749,104.15/52,479.67
6. Step 6: Final answer
   x = 39,477.17