Finding the Fourth Proportional to 137,275.29, 205,971.89 and 53,094.53

Step by Step Solution

1. Step 1: Write the proportion equation
   137,275.29 : 205,971.89 = 53,094.53 : x
2. Step 2: Convert to fraction form
   137,275.29/205,971.89 = 53,094.53/x
3. Step 3: Cross multiply
   137,275.29x = 205,971.89 × 53,094.53
4. Step 4: Simplify right side
   137,275.29x = 10,935,979,397.43
5. Step 5: Solve for x
   x = 10,935,979,397.43/137,275.29
6. Step 6: Final answer
   x = 79,664.59