Finding the Fourth Proportional to 56,162.54, 77,503.82 and 31,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,162.54 : 77,503.82 = 31,011.50 : x
2. Step 2: Convert to fraction form
   56,162.54/77,503.82 = 31,011.50/x
3. Step 3: Cross multiply
   56,162.54x = 77,503.82 × 31,011.50
4. Step 4: Simplify right side
   56,162.54x = 2,403,509,713.93
5. Step 5: Solve for x
   x = 2,403,509,713.93/56,162.54
6. Step 6: Final answer
   x = 42,795.60