Finding the Fourth Proportional to 104,333.34, 143,980.18 and 56,586.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,333.34 : 143,980.18 = 56,586.72 : x
2. Step 2: Convert to fraction form
   104,333.34/143,980.18 = 56,586.72/x
3. Step 3: Cross multiply
   104,333.34x = 143,980.18 × 56,586.72
4. Step 4: Simplify right side
   104,333.34x = 8,147,366,131.21
5. Step 5: Solve for x
   x = 8,147,366,131.21/104,333.34
6. Step 6: Final answer
   x = 78,089.77