Finding the Fourth Proportional to 103,373.07, 142,646.72 and 58,661.07

Step by Step Solution

1. Step 1: Write the proportion equation
   103,373.07 : 142,646.72 = 58,661.07 : x
2. Step 2: Convert to fraction form
   103,373.07/142,646.72 = 58,661.07/x
3. Step 3: Cross multiply
   103,373.07x = 142,646.72 × 58,661.07
4. Step 4: Simplify right side
   103,373.07x = 8,367,808,933.89
5. Step 5: Solve for x
   x = 8,367,808,933.89/103,373.07
6. Step 6: Final answer
   x = 80,947.67