Finding the Fourth Proportional to 238,055.43, 357,222.80 and 88,399.63

Step by Step Solution

1. Step 1: Write the proportion equation
   238,055.43 : 357,222.80 = 88,399.63 : x
2. Step 2: Convert to fraction form
   238,055.43/357,222.80 = 88,399.63/x
3. Step 3: Cross multiply
   238,055.43x = 357,222.80 × 88,399.63
4. Step 4: Simplify right side
   238,055.43x = 31,578,362,012.51
5. Step 5: Solve for x
   x = 31,578,362,012.51/238,055.43
6. Step 6: Final answer
   x = 132,651.30