Finding the Fourth Proportional to 103,834.63, 143,293.89 and 57,897.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,834.63 : 143,293.89 = 57,897.10 : x
2. Step 2: Convert to fraction form
   103,834.63/143,293.89 = 57,897.10/x
3. Step 3: Cross multiply
   103,834.63x = 143,293.89 × 57,897.10
4. Step 4: Simplify right side
   103,834.63x = 8,296,300,678.72
5. Step 5: Solve for x
   x = 8,296,300,678.72/103,834.63
6. Step 6: Final answer
   x = 79,899.17