Finding the Fourth Proportional to 78,297.92, 108,051.43 and 42,487.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,297.92 : 108,051.43 = 42,487.94 : x
2. Step 2: Convert to fraction form
   78,297.92/108,051.43 = 42,487.94/x
3. Step 3: Cross multiply
   78,297.92x = 108,051.43 × 42,487.94
4. Step 4: Simplify right side
   78,297.92x = 4,590,882,798.83
5. Step 5: Solve for x
   x = 4,590,882,798.83/78,297.92
6. Step 6: Final answer
   x = 58,633.52