Finding the Fourth Proportional to 92,077.29, 138,111.89 and 28,895.94

Step by Step Solution

1. Step 1: Write the proportion equation
   92,077.29 : 138,111.89 = 28,895.94 : x
2. Step 2: Convert to fraction form
   92,077.29/138,111.89 = 28,895.94/x
3. Step 3: Cross multiply
   92,077.29x = 138,111.89 × 28,895.94
4. Step 4: Simplify right side
   92,077.29x = 3,990,872,742.25
5. Step 5: Solve for x
   x = 3,990,872,742.25/92,077.29
6. Step 6: Final answer
   x = 43,342.64