Finding the Fourth Proportional to 155,297.90, 232,952.05 and 42,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,297.90 : 232,952.05 = 42,968.72 : x
2. Step 2: Convert to fraction form
   155,297.90/232,952.05 = 42,968.72/x
3. Step 3: Cross multiply
   155,297.90x = 232,952.05 × 42,968.72
4. Step 4: Simplify right side
   155,297.90x = 10,009,650,030.27
5. Step 5: Solve for x
   x = 10,009,650,030.27/155,297.90
6. Step 6: Final answer
   x = 64,454.51