Finding the Fourth Proportional to 76,476.52, 105,538.98 and 42,943.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,476.52 : 105,538.98 = 42,943.72 : x
2. Step 2: Convert to fraction form
   76,476.52/105,538.98 = 42,943.72/x
3. Step 3: Cross multiply
   76,476.52x = 105,538.98 × 42,943.72
4. Step 4: Simplify right side
   76,476.52x = 4,532,236,406.21
5. Step 5: Solve for x
   x = 4,532,236,406.21/76,476.52
6. Step 6: Final answer
   x = 59,263.11