Finding the Fourth Proportional to 104,061.60, 143,605.38 and 56,314.94

Step by Step Solution

1. Step 1: Write the proportion equation
   104,061.60 : 143,605.38 = 56,314.94 : x
2. Step 2: Convert to fraction form
   104,061.60/143,605.38 = 56,314.94/x
3. Step 3: Cross multiply
   104,061.60x = 143,605.38 × 56,314.94
4. Step 4: Simplify right side
   104,061.60x = 8,087,128,358.38
5. Step 5: Solve for x
   x = 8,087,128,358.38/104,061.60
6. Step 6: Final answer
   x = 77,714.82