Finding the Fourth Proportional to 85,908.69, 128,832.12 and 29,733.53

Step by Step Solution

1. Step 1: Write the proportion equation
   85,908.69 : 128,832.12 = 29,733.53 : x
2. Step 2: Convert to fraction form
   85,908.69/128,832.12 = 29,733.53/x
3. Step 3: Cross multiply
   85,908.69x = 128,832.12 × 29,733.53
4. Step 4: Simplify right side
   85,908.69x = 3,830,633,060.82
5. Step 5: Solve for x
   x = 3,830,633,060.82/85,908.69
6. Step 6: Final answer
   x = 44,589.59