Finding the Fourth Proportional to 42,365.61, 58,458.78 and 25,365.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,365.61 : 58,458.78 = 25,365.96 : x
2. Step 2: Convert to fraction form
   42,365.61/58,458.78 = 25,365.96/x
3. Step 3: Cross multiply
   42,365.61x = 58,458.78 × 25,365.96
4. Step 4: Simplify right side
   42,365.61x = 1,482,863,075.13
5. Step 5: Solve for x
   x = 1,482,863,075.13/42,365.61
6. Step 6: Final answer
   x = 35,001.57