Finding the Fourth Proportional to 117,753.81, 162,498.72 and 64,037.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,753.81 : 162,498.72 = 64,037.69 : x
2. Step 2: Convert to fraction form
   117,753.81/162,498.72 = 64,037.69/x
3. Step 3: Cross multiply
   117,753.81x = 162,498.72 × 64,037.69
4. Step 4: Simplify right side
   117,753.81x = 10,406,041,524.07
5. Step 5: Solve for x
   x = 10,406,041,524.07/117,753.81
6. Step 6: Final answer
   x = 88,371.17