Finding the Fourth Proportional to 78,461, 108,276.56 and 42,651

Step by Step Solution

1. Step 1: Write the proportion equation
   78,461 : 108,276.56 = 42,651 : x
2. Step 2: Convert to fraction form
   78,461/108,276.56 = 42,651/x
3. Step 3: Cross multiply
   78,461x = 108,276.56 × 42,651
4. Step 4: Simplify right side
   78,461x = 4,618,103,560.56
5. Step 5: Solve for x
   x = 4,618,103,560.56/78,461
6. Step 6: Final answer
   x = 58,858.59