Finding the Fourth Proportional to 93,345.33, 128,826.27 and 57,534.42

Step by Step Solution

1. Step 1: Write the proportion equation
   93,345.33 : 128,826.27 = 57,534.42 : x
2. Step 2: Convert to fraction form
   93,345.33/128,826.27 = 57,534.42/x
3. Step 3: Cross multiply
   93,345.33x = 128,826.27 × 57,534.42
4. Step 4: Simplify right side
   93,345.33x = 7,411,944,645.48
5. Step 5: Solve for x
   x = 7,411,944,645.48/93,345.33
6. Step 6: Final answer
   x = 79,403.49