Finding the Fourth Proportional to 52,861.88, 72,946.86 and 28,984.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,861.88 : 72,946.86 = 28,984.12 : x
2. Step 2: Convert to fraction form
   52,861.88/72,946.86 = 28,984.12/x
3. Step 3: Cross multiply
   52,861.88x = 72,946.86 × 28,984.12
4. Step 4: Simplify right side
   52,861.88x = 2,114,300,543.86
5. Step 5: Solve for x
   x = 2,114,300,543.86/52,861.88
6. Step 6: Final answer
   x = 39,996.70