Finding the Fourth Proportional to 89,368.72, 134,069.56 and 29,400.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,368.72 : 134,069.56 = 29,400.57 : x
2. Step 2: Convert to fraction form
   89,368.72/134,069.56 = 29,400.57/x
3. Step 3: Cross multiply
   89,368.72x = 134,069.56 × 29,400.57
4. Step 4: Simplify right side
   89,368.72x = 3,941,721,410.15
5. Step 5: Solve for x
   x = 3,941,721,410.15/89,368.72
6. Step 6: Final answer
   x = 44,106.28