Finding the Fourth Proportional to 78,593.31, 108,426.72 and 48,369.51

Step by Step Solution

1. Step 1: Write the proportion equation
   78,593.31 : 108,426.72 = 48,369.51 : x
2. Step 2: Convert to fraction form
   78,593.31/108,426.72 = 48,369.51/x
3. Step 3: Cross multiply
   78,593.31x = 108,426.72 × 48,369.51
4. Step 4: Simplify right side
   78,593.31x = 5,244,547,317.31
5. Step 5: Solve for x
   x = 5,244,547,317.31/78,593.31
6. Step 6: Final answer
   x = 66,730.20