Finding the Fourth Proportional to 74,447.46, 102,742.71 and 42,181.83

Step by Step Solution

1. Step 1: Write the proportion equation
   74,447.46 : 102,742.71 = 42,181.83 : x
2. Step 2: Convert to fraction form
   74,447.46/102,742.71 = 42,181.83/x
3. Step 3: Cross multiply
   74,447.46x = 102,742.71 × 42,181.83
4. Step 4: Simplify right side
   74,447.46x = 4,333,875,526.96
5. Step 5: Solve for x
   x = 4,333,875,526.96/74,447.46
6. Step 6: Final answer
   x = 58,213.88