Finding the Fourth Proportional to 58,079.98, 87,109.56 and 15,385.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,079.98 : 87,109.56 = 15,385.69 : x
2. Step 2: Convert to fraction form
   58,079.98/87,109.56 = 15,385.69/x
3. Step 3: Cross multiply
   58,079.98x = 87,109.56 × 15,385.69
4. Step 4: Simplify right side
   58,079.98x = 1,340,240,686.20
5. Step 5: Solve for x
   x = 1,340,240,686.20/58,079.98
6. Step 6: Final answer
   x = 23,075.78