Finding the Fourth Proportional to 92,927.88, 139,375.37 and 42,315.30

Step by Step Solution

1. Step 1: Write the proportion equation
   92,927.88 : 139,375.37 = 42,315.30 : x
2. Step 2: Convert to fraction form
   92,927.88/139,375.37 = 42,315.30/x
3. Step 3: Cross multiply
   92,927.88x = 139,375.37 × 42,315.30
4. Step 4: Simplify right side
   92,927.88x = 5,897,710,594.16
5. Step 5: Solve for x
   x = 5,897,710,594.16/92,927.88
6. Step 6: Final answer
   x = 63,465.46