Finding the Fourth Proportional to 92,677.41, 139,039.47 and 42,792.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,677.41 : 139,039.47 = 42,792.48 : x
2. Step 2: Convert to fraction form
   92,677.41/139,039.47 = 42,792.48/x
3. Step 3: Cross multiply
   92,677.41x = 139,039.47 × 42,792.48
4. Step 4: Simplify right side
   92,677.41x = 5,949,843,739.19
5. Step 5: Solve for x
   x = 5,949,843,739.19/92,677.41
6. Step 6: Final answer
   x = 64,199.50