Finding the Fourth Proportional to 78,623.04, 108,499.04 and 42,812.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,623.04 : 108,499.04 = 42,812.96 : x
2. Step 2: Convert to fraction form
   78,623.04/108,499.04 = 42,812.96/x
3. Step 3: Cross multiply
   78,623.04x = 108,499.04 × 42,812.96
4. Step 4: Simplify right side
   78,623.04x = 4,645,165,059.56
5. Step 5: Solve for x
   x = 4,645,165,059.56/78,623.04
6. Step 6: Final answer
   x = 59,081.47