Finding the Fourth Proportional to 118,475.16, 163,495.32 and 64,760.22

Step by Step Solution

1. Step 1: Write the proportion equation
   118,475.16 : 163,495.32 = 64,760.22 : x
2. Step 2: Convert to fraction form
   118,475.16/163,495.32 = 64,760.22/x
3. Step 3: Cross multiply
   118,475.16x = 163,495.32 × 64,760.22
4. Step 4: Simplify right side
   118,475.16x = 10,587,992,892.17
5. Step 5: Solve for x
   x = 10,587,992,892.17/118,475.16
6. Step 6: Final answer
   x = 89,368.88