Finding the Fourth Proportional to 76,755.08, 105,914.76 and 42,760.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,755.08 : 105,914.76 = 42,760.10 : x
2. Step 2: Convert to fraction form
   76,755.08/105,914.76 = 42,760.10/x
3. Step 3: Cross multiply
   76,755.08x = 105,914.76 × 42,760.10
4. Step 4: Simplify right side
   76,755.08x = 4,528,925,199.50
5. Step 5: Solve for x
   x = 4,528,925,199.50/76,755.08
6. Step 6: Final answer
   x = 59,004.90