Finding the Fourth Proportional to 92,942.46, 139,226.58 and 42,953.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,942.46 : 139,226.58 = 42,953.72 : x
2. Step 2: Convert to fraction form
   92,942.46/139,226.58 = 42,953.72/x
3. Step 3: Cross multiply
   92,942.46x = 139,226.58 × 42,953.72
4. Step 4: Simplify right side
   92,942.46x = 5,980,298,837.74
5. Step 5: Solve for x
   x = 5,980,298,837.74/92,942.46
6. Step 6: Final answer
   x = 64,344.10