Finding the Fourth Proportional to 118,045.77, 162,899.02 and 64,329.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,045.77 : 162,899.02 = 64,329.69 : x
2. Step 2: Convert to fraction form
   118,045.77/162,899.02 = 64,329.69/x
3. Step 3: Cross multiply
   118,045.77x = 162,899.02 × 64,329.69
4. Step 4: Simplify right side
   118,045.77x = 10,479,243,457.90
5. Step 5: Solve for x
   x = 10,479,243,457.90/118,045.77
6. Step 6: Final answer
   x = 88,772.71