Finding the Fourth Proportional to 56,953.28, 78,590.72 and 31,802.24

Step by Step Solution

1. Step 1: Write the proportion equation
   56,953.28 : 78,590.72 = 31,802.24 : x
2. Step 2: Convert to fraction form
   56,953.28/78,590.72 = 31,802.24/x
3. Step 3: Cross multiply
   56,953.28x = 78,590.72 × 31,802.24
4. Step 4: Simplify right side
   56,953.28x = 2,499,360,939.21
5. Step 5: Solve for x
   x = 2,499,360,939.21/56,953.28
6. Step 6: Final answer
   x = 43,884.41