Finding the Fourth Proportional to 78,514.93, 108,347.49 and 42,704.89

Step by Step Solution

1. Step 1: Write the proportion equation
   78,514.93 : 108,347.49 = 42,704.89 : x
2. Step 2: Convert to fraction form
   78,514.93/108,347.49 = 42,704.89/x
3. Step 3: Cross multiply
   78,514.93x = 108,347.49 × 42,704.89
4. Step 4: Simplify right side
   78,514.93x = 4,626,967,642.23
5. Step 5: Solve for x
   x = 4,626,967,642.23/78,514.93
6. Step 6: Final answer
   x = 58,931.05