Finding the Fourth Proportional to 52,497.72, 72,211.50 and 42,363

Step by Step Solution

1. Step 1: Write the proportion equation
   52,497.72 : 72,211.50 = 42,363 : x
2. Step 2: Convert to fraction form
   52,497.72/72,211.50 = 42,363/x
3. Step 3: Cross multiply
   52,497.72x = 72,211.50 × 42,363
4. Step 4: Simplify right side
   52,497.72x = 3,059,095,774.50
5. Step 5: Solve for x
   x = 3,059,095,774.50/52,497.72
6. Step 6: Final answer
   x = 58,271.02