Finding the Fourth Proportional to 92,706.76, 139,094.94 and 42,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   92,706.76 : 139,094.94 = 42,810.76 : x
2. Step 2: Convert to fraction form
   92,706.76/139,094.94 = 42,810.76/x
3. Step 3: Cross multiply
   92,706.76x = 139,094.94 × 42,810.76
4. Step 4: Simplify right side
   92,706.76x = 5,954,760,093.55
5. Step 5: Solve for x
   x = 5,954,760,093.55/92,706.76
6. Step 6: Final answer
   x = 64,232.21