Finding the Fourth Proportional to 47,256.64, 70,514.72 and 42,292.16

Step by Step Solution

1. Step 1: Write the proportion equation
   47,256.64 : 70,514.72 = 42,292.16 : x
2. Step 2: Convert to fraction form
   47,256.64/70,514.72 = 42,292.16/x
3. Step 3: Cross multiply
   47,256.64x = 70,514.72 × 42,292.16
4. Step 4: Simplify right side
   47,256.64x = 2,982,219,820.60
5. Step 5: Solve for x
   x = 2,982,219,820.60/47,256.64
6. Step 6: Final answer
   x = 63,106.90