Finding the Fourth Proportional to 56,496.71, 77,965.24 and 31,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,496.71 : 77,965.24 = 31,003.50 : x
2. Step 2: Convert to fraction form
   56,496.71/77,965.24 = 31,003.50/x
3. Step 3: Cross multiply
   56,496.71x = 77,965.24 × 31,003.50
4. Step 4: Simplify right side
   56,496.71x = 2,417,195,318.34
5. Step 5: Solve for x
   x = 2,417,195,318.34/56,496.71
6. Step 6: Final answer
   x = 42,784.71