Finding the Fourth Proportional to 112,809.58, 155,636.02 and 67,488.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,809.58 : 155,636.02 = 67,488.86 : x
2. Step 2: Convert to fraction form
   112,809.58/155,636.02 = 67,488.86/x
3. Step 3: Cross multiply
   112,809.58x = 155,636.02 × 67,488.86
4. Step 4: Simplify right side
   112,809.58x = 10,503,697,564.74
5. Step 5: Solve for x
   x = 10,503,697,564.74/112,809.58
6. Step 6: Final answer
   x = 93,109.98