Finding the Fourth Proportional to 53,916.06, 80,844.81 and 28,985.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,916.06 : 80,844.81 = 28,985.82 : x
2. Step 2: Convert to fraction form
   53,916.06/80,844.81 = 28,985.82/x
3. Step 3: Cross multiply
   53,916.06x = 80,844.81 × 28,985.82
4. Step 4: Simplify right side
   53,916.06x = 2,343,353,110.59
5. Step 5: Solve for x
   x = 2,343,353,110.59/53,916.06
6. Step 6: Final answer
   x = 43,462.99