Finding the Fourth Proportional to 91,292.50, 136,956.04 and 42,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,292.50 : 136,956.04 = 42,044.50 : x
2. Step 2: Convert to fraction form
   91,292.50/136,956.04 = 42,044.50/x
3. Step 3: Cross multiply
   91,292.50x = 136,956.04 × 42,044.50
4. Step 4: Simplify right side
   91,292.50x = 5,758,248,223.78
5. Step 5: Solve for x
   x = 5,758,248,223.78/91,292.50
6. Step 6: Final answer
   x = 63,074.71