Finding the Fourth Proportional to 256,607.24, 384,800.73 and 88,144.52

Step by Step Solution

1. Step 1: Write the proportion equation
   256,607.24 : 384,800.73 = 88,144.52 : x
2. Step 2: Convert to fraction form
   256,607.24/384,800.73 = 88,144.52/x
3. Step 3: Cross multiply
   256,607.24x = 384,800.73 × 88,144.52
4. Step 4: Simplify right side
   256,607.24x = 33,918,075,641.50
5. Step 5: Solve for x
   x = 33,918,075,641.50/256,607.24
6. Step 6: Final answer
   x = 132,178.95