Finding the Fourth Proportional to 109,984, 151,817.28 and 65,272

Step by Step Solution

1. Step 1: Write the proportion equation
   109,984 : 151,817.28 = 65,272 : x
2. Step 2: Convert to fraction form
   109,984/151,817.28 = 65,272/x
3. Step 3: Cross multiply
   109,984x = 151,817.28 × 65,272
4. Step 4: Simplify right side
   109,984x = 9,909,417,500.16
5. Step 5: Solve for x
   x = 9,909,417,500.16/109,984
6. Step 6: Final answer
   x = 90,098.72