Finding the Fourth Proportional to 118,224.45, 163,152.69 and 64,510.32

Step by Step Solution

1. Step 1: Write the proportion equation
   118,224.45 : 163,152.69 = 64,510.32 : x
2. Step 2: Convert to fraction form
   118,224.45/163,152.69 = 64,510.32/x
3. Step 3: Cross multiply
   118,224.45x = 163,152.69 × 64,510.32
4. Step 4: Simplify right side
   118,224.45x = 10,525,032,240.76
5. Step 5: Solve for x
   x = 10,525,032,240.76/118,224.45
6. Step 6: Final answer
   x = 89,025.85