Finding the Fourth Proportional to 104,061.50, 143,605.30 and 56,314.84

Step by Step Solution

1. Step 1: Write the proportion equation
   104,061.50 : 143,605.30 = 56,314.84 : x
2. Step 2: Convert to fraction form
   104,061.50/143,605.30 = 56,314.84/x
3. Step 3: Cross multiply
   104,061.50x = 143,605.30 × 56,314.84
4. Step 4: Simplify right side
   104,061.50x = 8,087,109,492.65
5. Step 5: Solve for x
   x = 8,087,109,492.65/104,061.50
6. Step 6: Final answer
   x = 77,714.71