Finding the Fourth Proportional to 247,978.06, 342,272.49 and 152,570.18

Step by Step Solution

1. Step 1: Write the proportion equation
   247,978.06 : 342,272.49 = 152,570.18 : x
2. Step 2: Convert to fraction form
   247,978.06/342,272.49 = 152,570.18/x
3. Step 3: Cross multiply
   247,978.06x = 342,272.49 × 152,570.18
4. Step 4: Simplify right side
   247,978.06x = 52,220,575,691.89
5. Step 5: Solve for x
   x = 52,220,575,691.89/247,978.06
6. Step 6: Final answer
   x = 210,585.47