Finding the Fourth Proportional to 34,392.72, 47,460.60 and 19,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,392.72 : 47,460.60 = 19,488.72 : x
2. Step 2: Convert to fraction form
   34,392.72/47,460.60 = 19,488.72/x
3. Step 3: Cross multiply
   34,392.72x = 47,460.60 × 19,488.72
4. Step 4: Simplify right side
   34,392.72x = 924,946,344.43
5. Step 5: Solve for x
   x = 924,946,344.43/34,392.72
6. Step 6: Final answer
   x = 26,893.67