Finding the Fourth Proportional to 52,897.96, 72,987.78 and 30,529

Step by Step Solution

1. Step 1: Write the proportion equation
   52,897.96 : 72,987.78 = 30,529 : x
2. Step 2: Convert to fraction form
   52,897.96/72,987.78 = 30,529/x
3. Step 3: Cross multiply
   52,897.96x = 72,987.78 × 30,529
4. Step 4: Simplify right side
   52,897.96x = 2,228,243,935.62
5. Step 5: Solve for x
   x = 2,228,243,935.62/52,897.96
6. Step 6: Final answer
   x = 42,123.44