Finding the Fourth Proportional to 78,653.27, 108,541.80 and 42,842.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,653.27 : 108,541.80 = 42,842.94 : x
2. Step 2: Convert to fraction form
   78,653.27/108,541.80 = 42,842.94/x
3. Step 3: Cross multiply
   78,653.27x = 108,541.80 × 42,842.94
4. Step 4: Simplify right side
   78,653.27x = 4,650,249,824.89
5. Step 5: Solve for x
   x = 4,650,249,824.89/78,653.27
6. Step 6: Final answer
   x = 59,123.41