Finding the Fourth Proportional to 116,445.84, 160,691.76 and 65,459.04

Step by Step Solution

1. Step 1: Write the proportion equation
   116,445.84 : 160,691.76 = 65,459.04 : x
2. Step 2: Convert to fraction form
   116,445.84/160,691.76 = 65,459.04/x
3. Step 3: Cross multiply
   116,445.84x = 160,691.76 × 65,459.04
4. Step 4: Simplify right side
   116,445.84x = 10,518,728,345.51
5. Step 5: Solve for x
   x = 10,518,728,345.51/116,445.84
6. Step 6: Final answer
   x = 90,331.51