Finding the Fourth Proportional to 47,354.88, 71,070.72 and 28,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,354.88 : 71,070.72 = 28,830.72 : x
2. Step 2: Convert to fraction form
   47,354.88/71,070.72 = 28,830.72/x
3. Step 3: Cross multiply
   47,354.88x = 71,070.72 × 28,830.72
4. Step 4: Simplify right side
   47,354.88x = 2,049,020,028.52
5. Step 5: Solve for x
   x = 2,049,020,028.52/47,354.88
6. Step 6: Final answer
   x = 43,269.46