Finding the Fourth Proportional to 101,089.96, 139,501.91 and 55,767.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,089.96 : 139,501.91 = 55,767.98 : x
2. Step 2: Convert to fraction form
   101,089.96/139,501.91 = 55,767.98/x
3. Step 3: Cross multiply
   101,089.96x = 139,501.91 × 55,767.98
4. Step 4: Simplify right side
   101,089.96x = 7,779,740,215.02
5. Step 5: Solve for x
   x = 7,779,740,215.02/101,089.96
6. Step 6: Final answer
   x = 76,958.59