Finding the Fourth Proportional to 118,767.61, 163,899.34 and 65,053.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,767.61 : 163,899.34 = 65,053.52 : x
2. Step 2: Convert to fraction form
   118,767.61/163,899.34 = 65,053.52/x
3. Step 3: Cross multiply
   118,767.61x = 163,899.34 × 65,053.52
4. Step 4: Simplify right side
   118,767.61x = 10,662,228,667.41
5. Step 5: Solve for x
   x = 10,662,228,667.41/118,767.61
6. Step 6: Final answer
   x = 89,773.88