Finding the Fourth Proportional to 76,670.52, 105,805.28 and 43,136.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,670.52 : 105,805.28 = 43,136.52 : x
2. Step 2: Convert to fraction form
   76,670.52/105,805.28 = 43,136.52/x
3. Step 3: Cross multiply
   76,670.52x = 105,805.28 × 43,136.52
4. Step 4: Simplify right side
   76,670.52x = 4,564,071,576.83
5. Step 5: Solve for x
   x = 4,564,071,576.83/76,670.52
6. Step 6: Final answer
   x = 59,528.38