Finding the Fourth Proportional to 92,335.42, 138,393.78 and 42,373.41

Step by Step Solution

1. Step 1: Write the proportion equation
   92,335.42 : 138,393.78 = 42,373.41 : x
2. Step 2: Convert to fraction form
   92,335.42/138,393.78 = 42,373.41/x
3. Step 3: Cross multiply
   92,335.42x = 138,393.78 × 42,373.41
4. Step 4: Simplify right side
   92,335.42x = 5,864,216,381.39
5. Step 5: Solve for x
   x = 5,864,216,381.39/92,335.42
6. Step 6: Final answer
   x = 63,509.93