Finding the Fourth Proportional to 52,300.62, 72,176.27 and 28,428.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,300.62 : 72,176.27 = 28,428.91 : x
2. Step 2: Convert to fraction form
   52,300.62/72,176.27 = 28,428.91/x
3. Step 3: Cross multiply
   52,300.62x = 72,176.27 × 28,428.91
4. Step 4: Simplify right side
   52,300.62x = 2,051,892,361.38
5. Step 5: Solve for x
   x = 2,051,892,361.38/52,300.62
6. Step 6: Final answer
   x = 39,232.66