Finding the Fourth Proportional to 155,353.97, 215,200.29 and 152,204.69

Step by Step Solution

1. Step 1: Write the proportion equation
   155,353.97 : 215,200.29 = 152,204.69 : x
2. Step 2: Convert to fraction form
   155,353.97/215,200.29 = 152,204.69/x
3. Step 3: Cross multiply
   155,353.97x = 215,200.29 × 152,204.69
4. Step 4: Simplify right side
   155,353.97x = 32,754,493,427.36
5. Step 5: Solve for x
   x = 32,754,493,427.36/155,353.97
6. Step 6: Final answer
   x = 210,837.83