Finding the Fourth Proportional to 58,459.98, 87,697.72 and 19,003.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,459.98 : 87,697.72 = 19,003.80 : x
2. Step 2: Convert to fraction form
   58,459.98/87,697.72 = 19,003.80/x
3. Step 3: Cross multiply
   58,459.98x = 87,697.72 × 19,003.80
4. Step 4: Simplify right side
   58,459.98x = 1,666,589,931.34
5. Step 5: Solve for x
   x = 1,666,589,931.34/58,459.98
6. Step 6: Final answer
   x = 28,508.22