Finding the Fourth Proportional to 56,343.98, 84,515.98 and 45,801.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,343.98 : 84,515.98 = 45,801.42 : x
2. Step 2: Convert to fraction form
   56,343.98/84,515.98 = 45,801.42/x
3. Step 3: Cross multiply
   56,343.98x = 84,515.98 × 45,801.42
4. Step 4: Simplify right side
   56,343.98x = 3,870,951,896.69
5. Step 5: Solve for x
   x = 3,870,951,896.69/56,343.98
6. Step 6: Final answer
   x = 68,702.14