Finding the Fourth Proportional to 56,797.17, 78,380.61 and 31,304.45

Step by Step Solution

1. Step 1: Write the proportion equation
   56,797.17 : 78,380.61 = 31,304.45 : x
2. Step 2: Convert to fraction form
   56,797.17/78,380.61 = 31,304.45/x
3. Step 3: Cross multiply
   56,797.17x = 78,380.61 × 31,304.45
4. Step 4: Simplify right side
   56,797.17x = 2,453,661,886.71
5. Step 5: Solve for x
   x = 2,453,661,886.71/56,797.17
6. Step 6: Final answer
   x = 43,200.43