Finding the Fourth Proportional to 76,503.52, 105,584.74 and 42,969.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,503.52 : 105,584.74 = 42,969.52 : x
2. Step 2: Convert to fraction form
   76,503.52/105,584.74 = 42,969.52/x
3. Step 3: Cross multiply
   76,503.52x = 105,584.74 × 42,969.52
4. Step 4: Simplify right side
   76,503.52x = 4,536,925,597.12
5. Step 5: Solve for x
   x = 4,536,925,597.12/76,503.52
6. Step 6: Final answer
   x = 59,303.49