Finding the Fourth Proportional to 60,920.72, 83,987.91 and 42,746.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,920.72 : 83,987.91 = 42,746.75 : x
2. Step 2: Convert to fraction form
   60,920.72/83,987.91 = 42,746.75/x
3. Step 3: Cross multiply
   60,920.72x = 83,987.91 × 42,746.75
4. Step 4: Simplify right side
   60,920.72x = 3,590,209,771.85
5. Step 5: Solve for x
   x = 3,590,209,771.85/60,920.72
6. Step 6: Final answer
   x = 58,932.50