Finding the Fourth Proportional to 91,041, 136,531.92 and 34,878.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,041 : 136,531.92 = 34,878.12 : x
2. Step 2: Convert to fraction form
   91,041/136,531.92 = 34,878.12/x
3. Step 3: Cross multiply
   91,041x = 136,531.92 × 34,878.12
4. Step 4: Simplify right side
   91,041x = 4,761,976,689.59
5. Step 5: Solve for x
   x = 4,761,976,689.59/91,041
6. Step 6: Final answer
   x = 52,305.85