Finding the Fourth Proportional to 118,165.02, 163,065.33 and 64,450.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,165.02 : 163,065.33 = 64,450.50 : x
2. Step 2: Convert to fraction form
   118,165.02/163,065.33 = 64,450.50/x
3. Step 3: Cross multiply
   118,165.02x = 163,065.33 × 64,450.50
4. Step 4: Simplify right side
   118,165.02x = 10,509,642,051.17
5. Step 5: Solve for x
   x = 10,509,642,051.17/118,165.02
6. Step 6: Final answer
   x = 88,940.38