Finding the Fourth Proportional to 78,663.08, 108,595.30 and 53,303.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,663.08 : 108,595.30 = 53,303.48 : x
2. Step 2: Convert to fraction form
   78,663.08/108,595.30 = 53,303.48/x
3. Step 3: Cross multiply
   78,663.08x = 108,595.30 × 53,303.48
4. Step 4: Simplify right side
   78,663.08x = 5,788,507,401.64
5. Step 5: Solve for x
   x = 5,788,507,401.64/78,663.08
6. Step 6: Final answer
   x = 73,586.08