Finding the Fourth Proportional to 103,042.50, 154,459.18 and 58,577.38

Step by Step Solution

1. Step 1: Write the proportion equation
   103,042.50 : 154,459.18 = 58,577.38 : x
2. Step 2: Convert to fraction form
   103,042.50/154,459.18 = 58,577.38/x
3. Step 3: Cross multiply
   103,042.50x = 154,459.18 × 58,577.38
4. Step 4: Simplify right side
   103,042.50x = 9,047,814,081.35
5. Step 5: Solve for x
   x = 9,047,814,081.35/103,042.50
6. Step 6: Final answer
   x = 87,806.62