Finding the Fourth Proportional to 56,924.31, 78,551.49 and 31,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,924.31 : 78,551.49 = 31,426.56 : x
2. Step 2: Convert to fraction form
   56,924.31/78,551.49 = 31,426.56/x
3. Step 3: Cross multiply
   56,924.31x = 78,551.49 × 31,426.56
4. Step 4: Simplify right side
   56,924.31x = 2,468,602,720.82
5. Step 5: Solve for x
   x = 2,468,602,720.82/56,924.31
6. Step 6: Final answer
   x = 43,366.41