Finding the Fourth Proportional to 92,084.50, 138,148.18 and 28,901.16

Step by Step Solution

1. Step 1: Write the proportion equation
   92,084.50 : 138,148.18 = 28,901.16 : x
2. Step 2: Convert to fraction form
   92,084.50/138,148.18 = 28,901.16/x
3. Step 3: Cross multiply
   92,084.50x = 138,148.18 × 28,901.16
4. Step 4: Simplify right side
   92,084.50x = 3,992,642,653.89
5. Step 5: Solve for x
   x = 3,992,642,653.89/92,084.50
6. Step 6: Final answer
   x = 43,358.47