Finding the Fourth Proportional to 42,353.16, 63,575.72 and 31,853.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,353.16 : 63,575.72 = 31,853.13 : x
2. Step 2: Convert to fraction form
   42,353.16/63,575.72 = 31,853.13/x
3. Step 3: Cross multiply
   42,353.16x = 63,575.72 × 31,853.13
4. Step 4: Simplify right side
   42,353.16x = 2,025,085,514.74
5. Step 5: Solve for x
   x = 2,025,085,514.74/42,353.16
6. Step 6: Final answer
   x = 47,814.27