Finding the Fourth Proportional to 114,547.50, 158,075.55 and 64,246.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,547.50 : 158,075.55 = 64,246.50 : x
2. Step 2: Convert to fraction form
   114,547.50/158,075.55 = 64,246.50/x
3. Step 3: Cross multiply
   114,547.50x = 158,075.55 × 64,246.50
4. Step 4: Simplify right side
   114,547.50x = 10,155,800,823.08
5. Step 5: Solve for x
   x = 10,155,800,823.08/114,547.50
6. Step 6: Final answer
   x = 88,660.17