Finding the Fourth Proportional to 45,061.31, 67,592.88 and 13,896.56

Step by Step Solution

1. Step 1: Write the proportion equation
   45,061.31 : 67,592.88 = 13,896.56 : x
2. Step 2: Convert to fraction form
   45,061.31/67,592.88 = 13,896.56/x
3. Step 3: Cross multiply
   45,061.31x = 67,592.88 × 13,896.56
4. Step 4: Simplify right side
   45,061.31x = 939,308,681.48
5. Step 5: Solve for x
   x = 939,308,681.48/45,061.31
6. Step 6: Final answer
   x = 20,845.12