Finding the Fourth Proportional to 103,460.50, 142,775.64 and 58,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,460.50 : 142,775.64 = 58,748.50 : x
2. Step 2: Convert to fraction form
   103,460.50/142,775.64 = 58,748.50/x
3. Step 3: Cross multiply
   103,460.50x = 142,775.64 × 58,748.50
4. Step 4: Simplify right side
   103,460.50x = 8,387,854,686.54
5. Step 5: Solve for x
   x = 8,387,854,686.54/103,460.50
6. Step 6: Final answer
   x = 81,073.02