Finding the Fourth Proportional to 143,375.09, 215,048.72 and 43,536.15

Step by Step Solution

1. Step 1: Write the proportion equation
   143,375.09 : 215,048.72 = 43,536.15 : x
2. Step 2: Convert to fraction form
   143,375.09/215,048.72 = 43,536.15/x
3. Step 3: Cross multiply
   143,375.09x = 215,048.72 × 43,536.15
4. Step 4: Simplify right side
   143,375.09x = 9,362,393,440.07
5. Step 5: Solve for x
   x = 9,362,393,440.07/143,375.09
6. Step 6: Final answer
   x = 65,300.00