Finding the Fourth Proportional to 59,987.34, 89,851.61 and 28,349.65

Step by Step Solution

1. Step 1: Write the proportion equation
   59,987.34 : 89,851.61 = 28,349.65 : x
2. Step 2: Convert to fraction form
   59,987.34/89,851.61 = 28,349.65/x
3. Step 3: Cross multiply
   59,987.34x = 89,851.61 × 28,349.65
4. Step 4: Simplify right side
   59,987.34x = 2,547,261,878.63
5. Step 5: Solve for x
   x = 2,547,261,878.63/59,987.34
6. Step 6: Final answer
   x = 42,463.32