Finding the Fourth Proportional to 78,502.06, 108,331.73 and 42,692.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,502.06 : 108,331.73 = 42,692.37 : x
2. Step 2: Convert to fraction form
   78,502.06/108,331.73 = 42,692.37/x
3. Step 3: Cross multiply
   78,502.06x = 108,331.73 × 42,692.37
4. Step 4: Simplify right side
   78,502.06x = 4,624,937,544.78
5. Step 5: Solve for x
   x = 4,624,937,544.78/78,502.06
6. Step 6: Final answer
   x = 58,914.86