Finding the Fourth Proportional to 117,814.60, 162,585.78 and 64,101.16

Step by Step Solution

1. Step 1: Write the proportion equation
   117,814.60 : 162,585.78 = 64,101.16 : x
2. Step 2: Convert to fraction form
   117,814.60/162,585.78 = 64,101.16/x
3. Step 3: Cross multiply
   117,814.60x = 162,585.78 × 64,101.16
4. Step 4: Simplify right side
   117,814.60x = 10,421,937,097.50
5. Step 5: Solve for x
   x = 10,421,937,097.50/117,814.60
6. Step 6: Final answer
   x = 88,460.49