Finding the Fourth Proportional to 118,476.69, 163,497.83 and 64,761.93

Step by Step Solution

1. Step 1: Write the proportion equation
   118,476.69 : 163,497.83 = 64,761.93 : x
2. Step 2: Convert to fraction form
   118,476.69/163,497.83 = 64,761.93/x
3. Step 3: Cross multiply
   118,476.69x = 163,497.83 × 64,761.93
4. Step 4: Simplify right side
   118,476.69x = 10,588,434,697.80
5. Step 5: Solve for x
   x = 10,588,434,697.80/118,476.69
6. Step 6: Final answer
   x = 89,371.46