Finding the Fourth Proportional to 118,892.60, 164,088.56 and 73,585.12

Step by Step Solution

1. Step 1: Write the proportion equation
   118,892.60 : 164,088.56 = 73,585.12 : x
2. Step 2: Convert to fraction form
   118,892.60/164,088.56 = 73,585.12/x
3. Step 3: Cross multiply
   118,892.60x = 164,088.56 × 73,585.12
4. Step 4: Simplify right side
   118,892.60x = 12,074,476,378.23
5. Step 5: Solve for x
   x = 12,074,476,378.23/118,892.60
6. Step 6: Final answer
   x = 101,557.85