Finding the Fourth Proportional to 78,373.67, 108,155.63 and 42,563.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,373.67 : 108,155.63 = 42,563.69 : x
2. Step 2: Convert to fraction form
   78,373.67/108,155.63 = 42,563.69/x
3. Step 3: Cross multiply
   78,373.67x = 108,155.63 × 42,563.69
4. Step 4: Simplify right side
   78,373.67x = 4,603,502,707.07
5. Step 5: Solve for x
   x = 4,603,502,707.07/78,373.67
6. Step 6: Final answer
   x = 58,737.87