Finding the Fourth Proportional to 78,703.98, 108,611.59 and 42,893.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,703.98 : 108,611.59 = 42,893.99 : x
2. Step 2: Convert to fraction form
   78,703.98/108,611.59 = 42,893.99/x
3. Step 3: Cross multiply
   78,703.98x = 108,611.59 × 42,893.99
4. Step 4: Simplify right side
   78,703.98x = 4,658,784,455.34
5. Step 5: Solve for x
   x = 4,658,784,455.34/78,703.98
6. Step 6: Final answer
   x = 59,193.76