Finding the Fourth Proportional to 155,275.58, 214,662.42 and 153,854.71

Step by Step Solution

1. Step 1: Write the proportion equation
   155,275.58 : 214,662.42 = 153,854.71 : x
2. Step 2: Convert to fraction form
   155,275.58/214,662.42 = 153,854.71/x
3. Step 3: Cross multiply
   155,275.58x = 214,662.42 × 153,854.71
4. Step 4: Simplify right side
   155,275.58x = 33,026,823,840.34
5. Step 5: Solve for x
   x = 33,026,823,840.34/155,275.58
6. Step 6: Final answer
   x = 212,698.12