Finding the Fourth Proportional to 52,492.31, 72,438.69 and 28,618.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,492.31 : 72,438.69 = 28,618.94 : x
2. Step 2: Convert to fraction form
   52,492.31/72,438.69 = 28,618.94/x
3. Step 3: Cross multiply
   52,492.31x = 72,438.69 × 28,618.94
4. Step 4: Simplify right side
   52,492.31x = 2,073,118,522.79
5. Step 5: Solve for x
   x = 2,073,118,522.79/52,492.31
6. Step 6: Final answer
   x = 39,493.76