Finding the Fourth Proportional to 155,978.21, 233,958.07 and 43,655.93

Step by Step Solution

1. Step 1: Write the proportion equation
   155,978.21 : 233,958.07 = 43,655.93 : x
2. Step 2: Convert to fraction form
   155,978.21/233,958.07 = 43,655.93/x
3. Step 3: Cross multiply
   155,978.21x = 233,958.07 × 43,655.93
4. Step 4: Simplify right side
   155,978.21x = 10,213,657,766.32
5. Step 5: Solve for x
   x = 10,213,657,766.32/155,978.21
6. Step 6: Final answer
   x = 65,481.31