Finding the Fourth Proportional to 118,614.48, 163,692.06 and 64,899.51

Step by Step Solution

1. Step 1: Write the proportion equation
   118,614.48 : 163,692.06 = 64,899.51 : x
2. Step 2: Convert to fraction form
   118,614.48/163,692.06 = 64,899.51/x
3. Step 3: Cross multiply
   118,614.48x = 163,692.06 × 64,899.51
4. Step 4: Simplify right side
   118,614.48x = 10,623,534,484.89
5. Step 5: Solve for x
   x = 10,623,534,484.89/118,614.48
6. Step 6: Final answer
   x = 89,563.55