Finding the Fourth Proportional to 56,162.04, 77,503.56 and 31,011.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,162.04 : 77,503.56 = 31,011.48 : x
2. Step 2: Convert to fraction form
   56,162.04/77,503.56 = 31,011.48/x
3. Step 3: Cross multiply
   56,162.04x = 77,503.56 × 31,011.48
4. Step 4: Simplify right side
   56,162.04x = 2,403,500,100.87
5. Step 5: Solve for x
   x = 2,403,500,100.87/56,162.04
6. Step 6: Final answer
   x = 42,795.81