Finding the Fourth Proportional to 78,701.00, 108,608.58 and 42,890.90

Step by Step Solution

1. Step 1: Write the proportion equation
   78,701.00 : 108,608.58 = 42,890.90 : x
2. Step 2: Convert to fraction form
   78,701.00/108,608.58 = 42,890.90/x
3. Step 3: Cross multiply
   78,701.00x = 108,608.58 × 42,890.90
4. Step 4: Simplify right side
   78,701.00x = 4,658,319,200.88
5. Step 5: Solve for x
   x = 4,658,319,200.88/78,701.00
6. Step 6: Final answer
   x = 59,190.09