Finding the Fourth Proportional to 56,182.98, 77,528.61 and 31,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,182.98 : 77,528.61 = 31,030.50 : x
2. Step 2: Convert to fraction form
   56,182.98/77,528.61 = 31,030.50/x
3. Step 3: Cross multiply
   56,182.98x = 77,528.61 × 31,030.50
4. Step 4: Simplify right side
   56,182.98x = 2,405,751,532.61
5. Step 5: Solve for x
   x = 2,405,751,532.61/56,182.98
6. Step 6: Final answer
   x = 42,819.93