Finding the Fourth Proportional to 116,547.28, 160,849.47 and 65,562.15

Step by Step Solution

1. Step 1: Write the proportion equation
   116,547.28 : 160,849.47 = 65,562.15 : x
2. Step 2: Convert to fraction form
   116,547.28/160,849.47 = 65,562.15/x
3. Step 3: Cross multiply
   116,547.28x = 160,849.47 × 65,562.15
4. Step 4: Simplify right side
   116,547.28x = 10,545,637,928.60
5. Step 5: Solve for x
   x = 10,545,637,928.60/116,547.28
6. Step 6: Final answer
   x = 90,483.78