Finding the Fourth Proportional to 118,908.04, 164,088.71 and 65,191.87

Step by Step Solution

1. Step 1: Write the proportion equation
   118,908.04 : 164,088.71 = 65,191.87 : x
2. Step 2: Convert to fraction form
   118,908.04/164,088.71 = 65,191.87/x
3. Step 3: Cross multiply
   118,908.04x = 164,088.71 × 65,191.87
4. Step 4: Simplify right side
   118,908.04x = 10,697,248,704.38
5. Step 5: Solve for x
   x = 10,697,248,704.38/118,908.04
6. Step 6: Final answer
   x = 89,962.37