Finding the Fourth Proportional to 42,377.83, 58,492.16 and 28,954.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,377.83 : 58,492.16 = 28,954.51 : x
2. Step 2: Convert to fraction form
   42,377.83/58,492.16 = 28,954.51/x
3. Step 3: Cross multiply
   42,377.83x = 58,492.16 × 28,954.51
4. Step 4: Simplify right side
   42,377.83x = 1,693,611,831.64
5. Step 5: Solve for x
   x = 1,693,611,831.64/42,377.83
6. Step 6: Final answer
   x = 39,964.57