Finding the Fourth Proportional to 52,211.08, 72,085.98 and 30,997.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,211.08 : 72,085.98 = 30,997.16 : x
2. Step 2: Convert to fraction form
   52,211.08/72,085.98 = 30,997.16/x
3. Step 3: Cross multiply
   52,211.08x = 72,085.98 × 30,997.16
4. Step 4: Simplify right side
   52,211.08x = 2,234,460,655.82
5. Step 5: Solve for x
   x = 2,234,460,655.82/52,211.08
6. Step 6: Final answer
   x = 42,796.68