Finding the Fourth Proportional to 155,987.30, 234,024.15 and 103,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   155,987.30 : 234,024.15 = 103,499.30 : x
2. Step 2: Convert to fraction form
   155,987.30/234,024.15 = 103,499.30/x
3. Step 3: Cross multiply
   155,987.30x = 234,024.15 × 103,499.30
4. Step 4: Simplify right side
   155,987.30x = 24,221,335,708.10
5. Step 5: Solve for x
   x = 24,221,335,708.10/155,987.30
6. Step 6: Final answer
   x = 155,277.61