Finding the Fourth Proportional to 78,297.94, 108,051.03 and 42,487.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,297.94 : 108,051.03 = 42,487.96 : x
2. Step 2: Convert to fraction form
   78,297.94/108,051.03 = 42,487.96/x
3. Step 3: Cross multiply
   78,297.94x = 108,051.03 × 42,487.96
4. Step 4: Simplify right side
   78,297.94x = 4,590,867,840.60
5. Step 5: Solve for x
   x = 4,590,867,840.60/78,297.94
6. Step 6: Final answer
   x = 58,633.32