Finding the Fourth Proportional to 52,630.30, 72,621.89 and 29,970.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,630.30 : 72,621.89 = 29,970.15 : x
2. Step 2: Convert to fraction form
   52,630.30/72,621.89 = 29,970.15/x
3. Step 3: Cross multiply
   52,630.30x = 72,621.89 × 29,970.15
4. Step 4: Simplify right side
   52,630.30x = 2,176,488,423.62
5. Step 5: Solve for x
   x = 2,176,488,423.62/52,630.30
6. Step 6: Final answer
   x = 41,354.28