Finding the Fourth Proportional to 610,499.30, 915,734.55 and 167,267.30

Step by Step Solution

1. Step 1: Write the proportion equation
   610,499.30 : 915,734.55 = 167,267.30 : x
2. Step 2: Convert to fraction form
   610,499.30/915,734.55 = 167,267.30/x
3. Step 3: Cross multiply
   610,499.30x = 915,734.55 × 167,267.30
4. Step 4: Simplify right side
   610,499.30x = 153,172,445,695.22
5. Step 5: Solve for x
   x = 153,172,445,695.22/610,499.30
6. Step 6: Final answer
   x = 250,897.00