Finding the Fourth Proportional to 78,842.36, 108,802.50 and 43,031.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,842.36 : 108,802.50 = 43,031.72 : x
2. Step 2: Convert to fraction form
   78,842.36/108,802.50 = 43,031.72/x
3. Step 3: Cross multiply
   78,842.36x = 108,802.50 × 43,031.72
4. Step 4: Simplify right side
   78,842.36x = 4,681,958,715.30
5. Step 5: Solve for x
   x = 4,681,958,715.30/78,842.36
6. Step 6: Final answer
   x = 59,383.80