Finding the Fourth Proportional to 76,516.13, 105,592.16 and 42,523.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,516.13 : 105,592.16 = 42,523.54 : x
2. Step 2: Convert to fraction form
   76,516.13/105,592.16 = 42,523.54/x
3. Step 3: Cross multiply
   76,516.13x = 105,592.16 × 42,523.54
4. Step 4: Simplify right side
   76,516.13x = 4,490,152,439.45
5. Step 5: Solve for x
   x = 4,490,152,439.45/76,516.13
6. Step 6: Final answer
   x = 58,682.43