Finding the Fourth Proportional to 42,435.84, 58,547.52 and 25,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,435.84 : 58,547.52 = 25,662.72 : x
2. Step 2: Convert to fraction form
   42,435.84/58,547.52 = 25,662.72/x
3. Step 3: Cross multiply
   42,435.84x = 58,547.52 × 25,662.72
4. Step 4: Simplify right side
   42,435.84x = 1,502,488,612.45
5. Step 5: Solve for x
   x = 1,502,488,612.45/42,435.84
6. Step 6: Final answer
   x = 35,406.12