Finding the Fourth Proportional to 101,077, 139,531.10 and 65,284.47

Step by Step Solution

1. Step 1: Write the proportion equation
   101,077 : 139,531.10 = 65,284.47 : x
2. Step 2: Convert to fraction form
   101,077/139,531.10 = 65,284.47/x
3. Step 3: Cross multiply
   101,077x = 139,531.10 × 65,284.47
4. Step 4: Simplify right side
   101,077x = 9,109,213,912.02
5. Step 5: Solve for x
   x = 9,109,213,912.02/101,077
6. Step 6: Final answer
   x = 90,121.53