Finding the Fourth Proportional to 52,479.84, 72,421.83 and 28,607.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,479.84 : 72,421.83 = 28,607.52 : x
2. Step 2: Convert to fraction form
   52,479.84/72,421.83 = 28,607.52/x
3. Step 3: Cross multiply
   52,479.84x = 72,421.83 × 28,607.52
4. Step 4: Simplify right side
   52,479.84x = 2,071,808,950.16
5. Step 5: Solve for x
   x = 2,071,808,950.16/52,479.84
6. Step 6: Final answer
   x = 39,478.19