Finding the Fourth Proportional to 117,807.28, 162,569.32 and 64,092.51

Step by Step Solution

1. Step 1: Write the proportion equation
   117,807.28 : 162,569.32 = 64,092.51 : x
2. Step 2: Convert to fraction form
   117,807.28/162,569.32 = 64,092.51/x
3. Step 3: Cross multiply
   117,807.28x = 162,569.32 × 64,092.51
4. Step 4: Simplify right side
   117,807.28x = 10,419,475,607.56
5. Step 5: Solve for x
   x = 10,419,475,607.56/117,807.28
6. Step 6: Final answer
   x = 88,445.09