Finding the Fourth Proportional to 56,602.32, 78,111.16 and 31,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,602.32 : 78,111.16 = 31,451.82 : x
2. Step 2: Convert to fraction form
   56,602.32/78,111.16 = 31,451.82/x
3. Step 3: Cross multiply
   56,602.32x = 78,111.16 × 31,451.82
4. Step 4: Simplify right side
   56,602.32x = 2,456,738,144.31
5. Step 5: Solve for x
   x = 2,456,738,144.31/56,602.32
6. Step 6: Final answer
   x = 43,403.49