Finding the Fourth Proportional to 83,998.98, 115,885.35 and 58,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,998.98 : 115,885.35 = 58,498.56 : x
2. Step 2: Convert to fraction form
   83,998.98/115,885.35 = 58,498.56/x
3. Step 3: Cross multiply
   83,998.98x = 115,885.35 × 58,498.56
4. Step 4: Simplify right side
   83,998.98x = 6,779,126,100.10
5. Step 5: Solve for x
   x = 6,779,126,100.10/83,998.98
6. Step 6: Final answer
   x = 80,704.86