Finding the Fourth Proportional to 118,127.02, 163,018.65 and 64,414.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,127.02 : 163,018.65 = 64,414.98 : x
2. Step 2: Convert to fraction form
   118,127.02/163,018.65 = 64,414.98/x
3. Step 3: Cross multiply
   118,127.02x = 163,018.65 × 64,414.98
4. Step 4: Simplify right side
   118,127.02x = 10,500,843,079.38
5. Step 5: Solve for x
   x = 10,500,843,079.38/118,127.02
6. Step 6: Final answer
   x = 88,894.51