Finding the Fourth Proportional to 141,535.89, 212,354.91 and 71,362.35

Step by Step Solution

1. Step 1: Write the proportion equation
   141,535.89 : 212,354.91 = 71,362.35 : x
2. Step 2: Convert to fraction form
   141,535.89/212,354.91 = 71,362.35/x
3. Step 3: Cross multiply
   141,535.89x = 212,354.91 × 71,362.35
4. Step 4: Simplify right side
   141,535.89x = 15,154,145,411.64
5. Step 5: Solve for x
   x = 15,154,145,411.64/141,535.89
6. Step 6: Final answer
   x = 107,069.28