Finding the Fourth Proportional to 42,423, 58,543.76 and 23,560.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,423 : 58,543.76 = 23,560.28 : x
2. Step 2: Convert to fraction form
   42,423/58,543.76 = 23,560.28/x
3. Step 3: Cross multiply
   42,423x = 58,543.76 × 23,560.28
4. Step 4: Simplify right side
   42,423x = 1,379,307,377.85
5. Step 5: Solve for x
   x = 1,379,307,377.85/42,423
6. Step 6: Final answer
   x = 32,513.20