Finding the Fourth Proportional to 78,110.99, 107,793 and 42,300.89

Step by Step Solution

1. Step 1: Write the proportion equation
   78,110.99 : 107,793 = 42,300.89 : x
2. Step 2: Convert to fraction form
   78,110.99/107,793 = 42,300.89/x
3. Step 3: Cross multiply
   78,110.99x = 107,793 × 42,300.89
4. Step 4: Simplify right side
   78,110.99x = 4,559,739,701.03
5. Step 5: Solve for x
   x = 4,559,739,701.03/78,110.99
6. Step 6: Final answer
   x = 58,375.14