Finding the Fourth Proportional to 60,913.83, 91,276.34 and 42,230.19

Step by Step Solution

1. Step 1: Write the proportion equation
   60,913.83 : 91,276.34 = 42,230.19 : x
2. Step 2: Convert to fraction form
   60,913.83/91,276.34 = 42,230.19/x
3. Step 3: Cross multiply
   60,913.83x = 91,276.34 × 42,230.19
4. Step 4: Simplify right side
   60,913.83x = 3,854,616,969.55
5. Step 5: Solve for x
   x = 3,854,616,969.55/60,913.83
6. Step 6: Final answer
   x = 63,279.83