Finding the Fourth Proportional to 155,045.16, 213,949.18 and 93,814.15

Step by Step Solution

1. Step 1: Write the proportion equation
   155,045.16 : 213,949.18 = 93,814.15 : x
2. Step 2: Convert to fraction form
   155,045.16/213,949.18 = 93,814.15/x
3. Step 3: Cross multiply
   155,045.16x = 213,949.18 × 93,814.15
4. Step 4: Simplify right side
   155,045.16x = 20,071,459,995.83
5. Step 5: Solve for x
   x = 20,071,459,995.83/155,045.16
6. Step 6: Final answer
   x = 129,455.58