Finding the Fourth Proportional to 56,156.58, 77,494.05 and 31,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,156.58 : 77,494.05 = 31,005.54 : x
2. Step 2: Convert to fraction form
   56,156.58/77,494.05 = 31,005.54/x
3. Step 3: Cross multiply
   56,156.58x = 77,494.05 × 31,005.54
4. Step 4: Simplify right side
   56,156.58x = 2,402,744,867.04
5. Step 5: Solve for x
   x = 2,402,744,867.04/56,156.58
6. Step 6: Final answer
   x = 42,786.52