Finding the Fourth Proportional to 117,762, 162,514.12 and 64,770

Step by Step Solution

1. Step 1: Write the proportion equation
   117,762 : 162,514.12 = 64,770 : x
2. Step 2: Convert to fraction form
   117,762/162,514.12 = 64,770/x
3. Step 3: Cross multiply
   117,762x = 162,514.12 × 64,770
4. Step 4: Simplify right side
   117,762x = 10,526,039,552.40
5. Step 5: Solve for x
   x = 10,526,039,552.40/117,762
6. Step 6: Final answer
   x = 89,384.01