Finding the Fourth Proportional to 56,361.74, 84,573.72 and 31,415.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,361.74 : 84,573.72 = 31,415.83 : x
2. Step 2: Convert to fraction form
   56,361.74/84,573.72 = 31,415.83/x
3. Step 3: Cross multiply
   56,361.74x = 84,573.72 × 31,415.83
4. Step 4: Simplify right side
   56,361.74x = 2,656,953,398.55
5. Step 5: Solve for x
   x = 2,656,953,398.55/56,361.74
6. Step 6: Final answer
   x = 47,141.09