Finding the Fourth Proportional to 76,157.39, 105,097.18 and 42,623.39

Step by Step Solution

1. Step 1: Write the proportion equation
   76,157.39 : 105,097.18 = 42,623.39 : x
2. Step 2: Convert to fraction form
   76,157.39/105,097.18 = 42,623.39/x
3. Step 3: Cross multiply
   76,157.39x = 105,097.18 × 42,623.39
4. Step 4: Simplify right side
   76,157.39x = 4,479,598,091.04
5. Step 5: Solve for x
   x = 4,479,598,091.04/76,157.39
6. Step 6: Final answer
   x = 58,820.27