Finding the Fourth Proportional to 78,255.18, 107,823.15 and 53,060.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,255.18 : 107,823.15 = 53,060.94 : x
2. Step 2: Convert to fraction form
   78,255.18/107,823.15 = 53,060.94/x
3. Step 3: Cross multiply
   78,255.18x = 107,823.15 × 53,060.94
4. Step 4: Simplify right side
   78,255.18x = 5,721,197,692.76
5. Step 5: Solve for x
   x = 5,721,197,692.76/78,255.18
6. Step 6: Final answer
   x = 73,109.51