Finding the Fourth Proportional to 92,741.94, 139,096.76 and 42,817.77

Step by Step Solution

1. Step 1: Write the proportion equation
   92,741.94 : 139,096.76 = 42,817.77 : x
2. Step 2: Convert to fraction form
   92,741.94/139,096.76 = 42,817.77/x
3. Step 3: Cross multiply
   92,741.94x = 139,096.76 × 42,817.77
4. Step 4: Simplify right side
   92,741.94x = 5,955,812,863.34
5. Step 5: Solve for x
   x = 5,955,812,863.34/92,741.94
6. Step 6: Final answer
   x = 64,219.20