Finding the Fourth Proportional to 53,133.47, 79,503.34 and 39,103.86

Step by Step Solution

1. Step 1: Write the proportion equation
   53,133.47 : 79,503.34 = 39,103.86 : x
2. Step 2: Convert to fraction form
   53,133.47/79,503.34 = 39,103.86/x
3. Step 3: Cross multiply
   53,133.47x = 79,503.34 × 39,103.86
4. Step 4: Simplify right side
   53,133.47x = 3,108,887,476.89
5. Step 5: Solve for x
   x = 3,108,887,476.89/53,133.47
6. Step 6: Final answer
   x = 58,510.91