Finding the Fourth Proportional to 52,215.25, 72,056.64 and 28,341.99

Step by Step Solution

1. Step 1: Write the proportion equation
   52,215.25 : 72,056.64 = 28,341.99 : x
2. Step 2: Convert to fraction form
   52,215.25/72,056.64 = 28,341.99/x
3. Step 3: Cross multiply
   52,215.25x = 72,056.64 × 28,341.99
4. Step 4: Simplify right side
   52,215.25x = 2,042,228,570.31
5. Step 5: Solve for x
   x = 2,042,228,570.31/52,215.25
6. Step 6: Final answer
   x = 39,111.73