Finding the Fourth Proportional to 142,100.19, 213,088.28 and 75,524.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,100.19 : 213,088.28 = 75,524.31 : x
2. Step 2: Convert to fraction form
   142,100.19/213,088.28 = 75,524.31/x
3. Step 3: Cross multiply
   142,100.19x = 213,088.28 × 75,524.31
4. Step 4: Simplify right side
   142,100.19x = 16,093,344,938.47
5. Step 5: Solve for x
   x = 16,093,344,938.47/142,100.19
6. Step 6: Final answer
   x = 113,253.51