Finding the Fourth Proportional to 103,483.75, 142,807.76 and 58,771.75

Step by Step Solution

1. Step 1: Write the proportion equation
   103,483.75 : 142,807.76 = 58,771.75 : x
2. Step 2: Convert to fraction form
   103,483.75/142,807.76 = 58,771.75/x
3. Step 3: Cross multiply
   103,483.75x = 142,807.76 × 58,771.75
4. Step 4: Simplify right side
   103,483.75x = 8,393,061,968.78
5. Step 5: Solve for x
   x = 8,393,061,968.78/103,483.75
6. Step 6: Final answer
   x = 81,105.12