Finding the Fourth Proportional to 78,495, 117,582.12 and 65,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,495 : 117,582.12 = 65,304.96 : x
2. Step 2: Convert to fraction form
   78,495/117,582.12 = 65,304.96/x
3. Step 3: Cross multiply
   78,495x = 117,582.12 × 65,304.96
4. Step 4: Simplify right side
   78,495x = 7,678,695,643.32
5. Step 5: Solve for x
   x = 7,678,695,643.32/78,495
6. Step 6: Final answer
   x = 97,824.01