Finding the Fourth Proportional to 78,619.04, 108,492.72 and 42,809.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,619.04 : 108,492.72 = 42,809.48 : x
2. Step 2: Convert to fraction form
   78,619.04/108,492.72 = 42,809.48/x
3. Step 3: Cross multiply
   78,619.04x = 108,492.72 × 42,809.48
4. Step 4: Simplify right side
   78,619.04x = 4,644,516,926.99
5. Step 5: Solve for x
   x = 4,644,516,926.99/78,619.04
6. Step 6: Final answer
   x = 59,076.24