Finding the Fourth Proportional to 76,747.50, 105,914.74 and 42,756.00

Step by Step Solution

1. Step 1: Write the proportion equation
   76,747.50 : 105,914.74 = 42,756.00 : x
2. Step 2: Convert to fraction form
   76,747.50/105,914.74 = 42,756.00/x
3. Step 3: Cross multiply
   76,747.50x = 105,914.74 × 42,756.00
4. Step 4: Simplify right side
   76,747.50x = 4,528,490,795.31
5. Step 5: Solve for x
   x = 4,528,490,795.31/76,747.50
6. Step 6: Final answer
   x = 59,005.06