Finding the Fourth Proportional to 78,658.77, 108,549.39 and 42,848.44

Step by Step Solution

1. Step 1: Write the proportion equation
   78,658.77 : 108,549.39 = 42,848.44 : x
2. Step 2: Convert to fraction form
   78,658.77/108,549.39 = 42,848.44/x
3. Step 3: Cross multiply
   78,658.77x = 108,549.39 × 42,848.44
4. Step 4: Simplify right side
   78,658.77x = 4,651,172,024.45
5. Step 5: Solve for x
   x = 4,651,172,024.45/78,658.77
6. Step 6: Final answer
   x = 59,131.00