Finding the Fourth Proportional to 72,663.55, 109,014.76 and 65,723.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,663.55 : 109,014.76 = 65,723.47 : x
2. Step 2: Convert to fraction form
   72,663.55/109,014.76 = 65,723.47/x
3. Step 3: Cross multiply
   72,663.55x = 109,014.76 × 65,723.47
4. Step 4: Simplify right side
   72,663.55x = 7,164,828,118.03
5. Step 5: Solve for x
   x = 7,164,828,118.03/72,663.55
6. Step 6: Final answer
   x = 98,602.78