Finding the Fourth Proportional to 56,212.52, 77,573.58 and 31,062.02

Step by Step Solution

1. Step 1: Write the proportion equation
   56,212.52 : 77,573.58 = 31,062.02 : x
2. Step 2: Convert to fraction form
   56,212.52/77,573.58 = 31,062.02/x
3. Step 3: Cross multiply
   56,212.52x = 77,573.58 × 31,062.02
4. Step 4: Simplify right side
   56,212.52x = 2,409,592,093.43
5. Step 5: Solve for x
   x = 2,409,592,093.43/56,212.52
6. Step 6: Final answer
   x = 42,865.75