Finding the Fourth Proportional to 42,307.75, 58,385.10 and 23,445.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,307.75 : 58,385.10 = 23,445.28 : x
2. Step 2: Convert to fraction form
   42,307.75/58,385.10 = 23,445.28/x
3. Step 3: Cross multiply
   42,307.75x = 58,385.10 × 23,445.28
4. Step 4: Simplify right side
   42,307.75x = 1,368,855,017.33
5. Step 5: Solve for x
   x = 1,368,855,017.33/42,307.75
6. Step 6: Final answer
   x = 32,354.71